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Finding the Fourth Proportional to 292,931.86, 404,220.80 and 170,446.90

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Solution

The fourth proportional to 292,931.86, 404,220.80 and 170,446.90 is: 235,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,931.86 : 404,220.80 = 170,446.90 : x
  2. Step 2: Convert to fraction form
    292,931.86/404,220.80 = 170,446.90/x
  3. Step 3: Cross multiply
    292,931.86x = 404,220.80 × 170,446.90
  4. Step 4: Simplify right side
    292,931.86x = 68,898,182,275.52
  5. Step 5: Solve for x
    x = 68,898,182,275.52/292,931.86
  6. Step 6: Final answer
    x = 235,202.08

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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.