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Finding the Fourth Proportional to 584,220.90, 876,659.40 and 247,204.20

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Solution

The fourth proportional to 584,220.90, 876,659.40 and 247,204.20 is: 370,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,220.90 : 876,659.40 = 247,204.20 : x
  2. Step 2: Convert to fraction form
    584,220.90/876,659.40 = 247,204.20/x
  3. Step 3: Cross multiply
    584,220.90x = 876,659.40 × 247,204.20
  4. Step 4: Simplify right side
    584,220.90x = 216,713,885,649.48
  5. Step 5: Solve for x
    x = 216,713,885,649.48/584,220.90
  6. Step 6: Final answer
    x = 370,945.11

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Double scale
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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.