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Finding the Fourth Proportional to 602,191.38, 903,001.05 and 349,549.80

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Solution

The fourth proportional to 602,191.38, 903,001.05 and 349,549.80 is: 524,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,191.38 : 903,001.05 = 349,549.80 : x
  2. Step 2: Convert to fraction form
    602,191.38/903,001.05 = 349,549.80/x
  3. Step 3: Cross multiply
    602,191.38x = 903,001.05 × 349,549.80
  4. Step 4: Simplify right side
    602,191.38x = 315,643,836,427.29
  5. Step 5: Solve for x
    x = 315,643,836,427.29/602,191.38
  6. Step 6: Final answer
    x = 524,158.68

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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.