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Finding the Fourth Proportional to 425,714.18, 587,458.76 and 234,729.14

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Solution

The fourth proportional to 425,714.18, 587,458.76 and 234,729.14 is: 323,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,714.18 : 587,458.76 = 234,729.14 : x
  2. Step 2: Convert to fraction form
    425,714.18/587,458.76 = 234,729.14/x
  3. Step 3: Cross multiply
    425,714.18x = 587,458.76 × 234,729.14
  4. Step 4: Simplify right side
    425,714.18x = 137,893,685,409.33
  5. Step 5: Solve for x
    x = 137,893,685,409.33/425,714.18
  6. Step 6: Final answer
    x = 323,911.43

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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.