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Finding the Fourth Proportional to 487,152.36, 725,591.65 and 465,295.01

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Solution

The fourth proportional to 487,152.36, 725,591.65 and 465,295.01 is: 693,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,152.36 : 725,591.65 = 465,295.01 : x
  2. Step 2: Convert to fraction form
    487,152.36/725,591.65 = 465,295.01/x
  3. Step 3: Cross multiply
    487,152.36x = 725,591.65 × 465,295.01
  4. Step 4: Simplify right side
    487,152.36x = 337,614,170,414.71
  5. Step 5: Solve for x
    x = 337,614,170,414.71/487,152.36
  6. Step 6: Final answer
    x = 693,036.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.