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Finding the Fourth Proportional to 475,331.04, 713,113.29 and 138,374.64

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Solution

The fourth proportional to 475,331.04, 713,113.29 and 138,374.64 is: 207,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,331.04 : 713,113.29 = 138,374.64 : x
  2. Step 2: Convert to fraction form
    475,331.04/713,113.29 = 138,374.64/x
  3. Step 3: Cross multiply
    475,331.04x = 713,113.29 × 138,374.64
  4. Step 4: Simplify right side
    475,331.04x = 98,676,794,782.97
  5. Step 5: Solve for x
    x = 98,676,794,782.97/475,331.04
  6. Step 6: Final answer
    x = 207,595.94

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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.