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Finding the Fourth Proportional to 502,992.05, 754,488.29 and 123,920.17

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Solution

The fourth proportional to 502,992.05, 754,488.29 and 123,920.17 is: 185,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,992.05 : 754,488.29 = 123,920.17 : x
  2. Step 2: Convert to fraction form
    502,992.05/754,488.29 = 123,920.17/x
  3. Step 3: Cross multiply
    502,992.05x = 754,488.29 × 123,920.17
  4. Step 4: Simplify right side
    502,992.05x = 93,496,317,159.81
  5. Step 5: Solve for x
    x = 93,496,317,159.81/502,992.05
  6. Step 6: Final answer
    x = 185,880.31

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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.