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Finding the Fourth Proportional to 415,193.70, 573,009.63 and 254,155.17

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Solution

The fourth proportional to 415,193.70, 573,009.63 and 254,155.17 is: 350,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,193.70 : 573,009.63 = 254,155.17 : x
  2. Step 2: Convert to fraction form
    415,193.70/573,009.63 = 254,155.17/x
  3. Step 3: Cross multiply
    415,193.70x = 573,009.63 × 254,155.17
  4. Step 4: Simplify right side
    415,193.70x = 145,633,359,924.29
  5. Step 5: Solve for x
    x = 145,633,359,924.29/415,193.70
  6. Step 6: Final answer
    x = 350,760.04

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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.