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Finding the Fourth Proportional to 487,444.10, 730,129.35 and 404,500.10

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Solution

The fourth proportional to 487,444.10, 730,129.35 and 404,500.10 is: 605,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,444.10 : 730,129.35 = 404,500.10 : x
  2. Step 2: Convert to fraction form
    487,444.10/730,129.35 = 404,500.10/x
  3. Step 3: Cross multiply
    487,444.10x = 730,129.35 × 404,500.10
  4. Step 4: Simplify right side
    487,444.10x = 295,337,395,087.94
  5. Step 5: Solve for x
    x = 295,337,395,087.94/487,444.10
  6. Step 6: Final answer
    x = 605,889.77

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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.