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Finding the Fourth Proportional to 335,655.90, 503,494.65 and 125,315.10

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Solution

The fourth proportional to 335,655.90, 503,494.65 and 125,315.10 is: 187,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,655.90 : 503,494.65 = 125,315.10 : x
  2. Step 2: Convert to fraction form
    335,655.90/503,494.65 = 125,315.10/x
  3. Step 3: Cross multiply
    335,655.90x = 503,494.65 × 125,315.10
  4. Step 4: Simplify right side
    335,655.90x = 63,095,482,414.22
  5. Step 5: Solve for x
    x = 63,095,482,414.22/335,655.90
  6. Step 6: Final answer
    x = 187,976.68

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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.