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Finding the Fourth Proportional to 415,703.84, 573,671.72 and 224,717.28

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Solution

The fourth proportional to 415,703.84, 573,671.72 and 224,717.28 is: 310,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,703.84 : 573,671.72 = 224,717.28 : x
  2. Step 2: Convert to fraction form
    415,703.84/573,671.72 = 224,717.28/x
  3. Step 3: Cross multiply
    415,703.84x = 573,671.72 × 224,717.28
  4. Step 4: Simplify right side
    415,703.84x = 128,913,948,531.32
  5. Step 5: Solve for x
    x = 128,913,948,531.32/415,703.84
  6. Step 6: Final answer
    x = 310,110.07

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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.