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Finding the Fourth Proportional to 497,699.10, 746,548.65 and 123,722.10

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Solution

The fourth proportional to 497,699.10, 746,548.65 and 123,722.10 is: 185,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,699.10 : 746,548.65 = 123,722.10 : x
  2. Step 2: Convert to fraction form
    497,699.10/746,548.65 = 123,722.10/x
  3. Step 3: Cross multiply
    497,699.10x = 746,548.65 × 123,722.10
  4. Step 4: Simplify right side
    497,699.10x = 92,364,566,730.17
  5. Step 5: Solve for x
    x = 92,364,566,730.17/497,699.10
  6. Step 6: Final answer
    x = 185,583.15

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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.