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Finding the Fourth Proportional to 415,903.60, 573,945.78 and 234,614.80

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Solution

The fourth proportional to 415,903.60, 573,945.78 and 234,614.80 is: 323,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,903.60 : 573,945.78 = 234,614.80 : x
  2. Step 2: Convert to fraction form
    415,903.60/573,945.78 = 234,614.80/x
  3. Step 3: Cross multiply
    415,903.60x = 573,945.78 × 234,614.80
  4. Step 4: Simplify right side
    415,903.60x = 134,656,174,385.54
  5. Step 5: Solve for x
    x = 134,656,174,385.54/415,903.60
  6. Step 6: Final answer
    x = 323,767.75

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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.