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Finding the Fourth Proportional to 584,580.30, 876,870.45 and 551,921.10

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Solution

The fourth proportional to 584,580.30, 876,870.45 and 551,921.10 is: 827,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,580.30 : 876,870.45 = 551,921.10 : x
  2. Step 2: Convert to fraction form
    584,580.30/876,870.45 = 551,921.10/x
  3. Step 3: Cross multiply
    584,580.30x = 876,870.45 × 551,921.10
  4. Step 4: Simplify right side
    584,580.30x = 483,963,303,321.50
  5. Step 5: Solve for x
    x = 483,963,303,321.50/584,580.30
  6. Step 6: Final answer
    x = 827,881.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.