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Finding the Fourth Proportional to 473,189.18, 653,058.38 and 269,289.71

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Solution

The fourth proportional to 473,189.18, 653,058.38 and 269,289.71 is: 371,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,189.18 : 653,058.38 = 269,289.71 : x
  2. Step 2: Convert to fraction form
    473,189.18/653,058.38 = 269,289.71/x
  3. Step 3: Cross multiply
    473,189.18x = 653,058.38 × 269,289.71
  4. Step 4: Simplify right side
    473,189.18x = 175,861,897,151.53
  5. Step 5: Solve for x
    x = 175,861,897,151.53/473,189.18
  6. Step 6: Final answer
    x = 371,652.40

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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.