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Finding the Fourth Proportional to 497,291.70, 745,937.55 and 123,314.70

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Solution

The fourth proportional to 497,291.70, 745,937.55 and 123,314.70 is: 184,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,291.70 : 745,937.55 = 123,314.70 : x
  2. Step 2: Convert to fraction form
    497,291.70/745,937.55 = 123,314.70/x
  3. Step 3: Cross multiply
    497,291.70x = 745,937.55 × 123,314.70
  4. Step 4: Simplify right side
    497,291.70x = 91,985,065,196.99
  5. Step 5: Solve for x
    x = 91,985,065,196.99/497,291.70
  6. Step 6: Final answer
    x = 184,972.05

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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.