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Finding the Fourth Proportional to 497,747.10, 746,620.65 and 470,790.30

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Solution

The fourth proportional to 497,747.10, 746,620.65 and 470,790.30 is: 706,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,747.10 : 746,620.65 = 470,790.30 : x
  2. Step 2: Convert to fraction form
    497,747.10/746,620.65 = 470,790.30/x
  3. Step 3: Cross multiply
    497,747.10x = 746,620.65 × 470,790.30
  4. Step 4: Simplify right side
    497,747.10x = 351,501,759,799.70
  5. Step 5: Solve for x
    x = 351,501,759,799.70/497,747.10
  6. Step 6: Final answer
    x = 706,185.45

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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.