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Finding the Fourth Proportional to 404,446.80, 606,670.20 and 292,472.40

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Solution

The fourth proportional to 404,446.80, 606,670.20 and 292,472.40 is: 438,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,446.80 : 606,670.20 = 292,472.40 : x
  2. Step 2: Convert to fraction form
    404,446.80/606,670.20 = 292,472.40/x
  3. Step 3: Cross multiply
    404,446.80x = 606,670.20 × 292,472.40
  4. Step 4: Simplify right side
    404,446.80x = 177,434,289,402.48
  5. Step 5: Solve for x
    x = 177,434,289,402.48/404,446.80
  6. Step 6: Final answer
    x = 438,708.60

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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.