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Finding the Fourth Proportional to 552,301.62, 762,180.66 and 307,289.92

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Solution

The fourth proportional to 552,301.62, 762,180.66 and 307,289.92 is: 424,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,301.62 : 762,180.66 = 307,289.92 : x
  2. Step 2: Convert to fraction form
    552,301.62/762,180.66 = 307,289.92/x
  3. Step 3: Cross multiply
    552,301.62x = 762,180.66 × 307,289.92
  4. Step 4: Simplify right side
    552,301.62x = 234,210,434,036.95
  5. Step 5: Solve for x
    x = 234,210,434,036.95/552,301.62
  6. Step 6: Final answer
    x = 424,062.55

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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.