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Finding the Fourth Proportional to 552,502.84, 762,177.90 and 348,806.20

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Solution

The fourth proportional to 552,502.84, 762,177.90 and 348,806.20 is: 481,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,502.84 : 762,177.90 = 348,806.20 : x
  2. Step 2: Convert to fraction form
    552,502.84/762,177.90 = 348,806.20/x
  3. Step 3: Cross multiply
    552,502.84x = 762,177.90 × 348,806.20
  4. Step 4: Simplify right side
    552,502.84x = 265,852,377,022.98
  5. Step 5: Solve for x
    x = 265,852,377,022.98/552,502.84
  6. Step 6: Final answer
    x = 481,178.30

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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.