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Finding the Fourth Proportional to 498,306.51, 747,459.90 and 124,329.51

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Solution

The fourth proportional to 498,306.51, 747,459.90 and 124,329.51 is: 186,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,306.51 : 747,459.90 = 124,329.51 : x
  2. Step 2: Convert to fraction form
    498,306.51/747,459.90 = 124,329.51/x
  3. Step 3: Cross multiply
    498,306.51x = 747,459.90 × 124,329.51
  4. Step 4: Simplify right side
    498,306.51x = 92,931,323,111.65
  5. Step 5: Solve for x
    x = 92,931,323,111.65/498,306.51
  6. Step 6: Final answer
    x = 186,494.30

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1.5x scale

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.