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Finding the Fourth Proportional to 487,010.98, 730,674.15 and 234,258.58

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Solution

The fourth proportional to 487,010.98, 730,674.15 and 234,258.58 is: 351,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,010.98 : 730,674.15 = 234,258.58 : x
  2. Step 2: Convert to fraction form
    487,010.98/730,674.15 = 234,258.58/x
  3. Step 3: Cross multiply
    487,010.98x = 730,674.15 × 234,258.58
  4. Step 4: Simplify right side
    487,010.98x = 171,166,686,432.90
  5. Step 5: Solve for x
    x = 171,166,686,432.90/487,010.98
  6. Step 6: Final answer
    x = 351,463.71

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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.