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Finding the Fourth Proportional to 497,485.96, 746,448.78 and 260,772.04

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Solution

The fourth proportional to 497,485.96, 746,448.78 and 260,772.04 is: 391,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,485.96 : 746,448.78 = 260,772.04 : x
  2. Step 2: Convert to fraction form
    497,485.96/746,448.78 = 260,772.04/x
  3. Step 3: Cross multiply
    497,485.96x = 746,448.78 × 260,772.04
  4. Step 4: Simplify right side
    497,485.96x = 194,652,971,116.11
  5. Step 5: Solve for x
    x = 194,652,971,116.11/497,485.96
  6. Step 6: Final answer
    x = 391,273.30

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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.