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Finding the Fourth Proportional to 497,359.36, 746,259.56 and 260,645.76

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Solution

The fourth proportional to 497,359.36, 746,259.56 and 260,645.76 is: 391,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,359.36 : 746,259.56 = 260,645.76 : x
  2. Step 2: Convert to fraction form
    497,359.36/746,259.56 = 260,645.76/x
  3. Step 3: Cross multiply
    497,359.36x = 746,259.56 × 260,645.76
  4. Step 4: Simplify right side
    497,359.36x = 194,509,390,173.47
  5. Step 5: Solve for x
    x = 194,509,390,173.47/497,359.36
  6. Step 6: Final answer
    x = 391,084.21

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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.