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Finding the Fourth Proportional to 584,555.40, 876,833.10 and 395,598.60

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Solution

The fourth proportional to 584,555.40, 876,833.10 and 395,598.60 is: 593,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,555.40 : 876,833.10 = 395,598.60 : x
  2. Step 2: Convert to fraction form
    584,555.40/876,833.10 = 395,598.60/x
  3. Step 3: Cross multiply
    584,555.40x = 876,833.10 × 395,598.60
  4. Step 4: Simplify right side
    584,555.40x = 346,873,946,793.66
  5. Step 5: Solve for x
    x = 346,873,946,793.66/584,555.40
  6. Step 6: Final answer
    x = 593,397.90

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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.