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Finding the Fourth Proportional to 653,678.54, 902,167.19 and 367,220.42

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Solution

The fourth proportional to 653,678.54, 902,167.19 and 367,220.42 is: 506,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,678.54 : 902,167.19 = 367,220.42 : x
  2. Step 2: Convert to fraction form
    653,678.54/902,167.19 = 367,220.42/x
  3. Step 3: Cross multiply
    653,678.54x = 902,167.19 × 367,220.42
  4. Step 4: Simplify right side
    653,678.54x = 331,294,212,585.92
  5. Step 5: Solve for x
    x = 331,294,212,585.92/653,678.54
  6. Step 6: Final answer
    x = 506,815.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.