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Finding the Fourth Proportional to 415,661.73, 573,612.87 and 224,675.12

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Solution

The fourth proportional to 415,661.73, 573,612.87 and 224,675.12 is: 310,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,661.73 : 573,612.87 = 224,675.12 : x
  2. Step 2: Convert to fraction form
    415,661.73/573,612.87 = 224,675.12/x
  3. Step 3: Cross multiply
    415,661.73x = 573,612.87 × 224,675.12
  4. Step 4: Simplify right side
    415,661.73x = 128,876,540,400.79
  5. Step 5: Solve for x
    x = 128,876,540,400.79/415,661.73
  6. Step 6: Final answer
    x = 310,051.49

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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.