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Finding the Fourth Proportional to 532,177.72, 734,292.81 and 338,514.92

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Solution

The fourth proportional to 532,177.72, 734,292.81 and 338,514.92 is: 467,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,177.72 : 734,292.81 = 338,514.92 : x
  2. Step 2: Convert to fraction form
    532,177.72/734,292.81 = 338,514.92/x
  3. Step 3: Cross multiply
    532,177.72x = 734,292.81 × 338,514.92
  4. Step 4: Simplify right side
    532,177.72x = 248,569,070,915.86
  5. Step 5: Solve for x
    x = 248,569,070,915.86/532,177.72
  6. Step 6: Final answer
    x = 467,079.07

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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.