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Finding the Fourth Proportional to 415,707.33, 573,676.56 and 224,720.76

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Solution

The fourth proportional to 415,707.33, 573,676.56 and 224,720.76 is: 310,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,707.33 : 573,676.56 = 224,720.76 : x
  2. Step 2: Convert to fraction form
    415,707.33/573,676.56 = 224,720.76/x
  3. Step 3: Cross multiply
    415,707.33x = 573,676.56 × 224,720.76
  4. Step 4: Simplify right side
    415,707.33x = 128,917,032,557.39
  5. Step 5: Solve for x
    x = 128,917,032,557.39/415,707.33
  6. Step 6: Final answer
    x = 310,114.89

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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.