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Finding the Fourth Proportional to 348,673.20, 522,876.96 and 149,085.96

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Solution

The fourth proportional to 348,673.20, 522,876.96 and 149,085.96 is: 223,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,673.20 : 522,876.96 = 149,085.96 : x
  2. Step 2: Convert to fraction form
    348,673.20/522,876.96 = 149,085.96/x
  3. Step 3: Cross multiply
    348,673.20x = 522,876.96 × 149,085.96
  4. Step 4: Simplify right side
    348,673.20x = 77,953,613,543.48
  5. Step 5: Solve for x
    x = 77,953,613,543.48/348,673.20
  6. Step 6: Final answer
    x = 223,572.14

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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.