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Finding the Fourth Proportional to 425,434.67, 587,112.16 and 234,460.36

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Solution

The fourth proportional to 425,434.67, 587,112.16 and 234,460.36 is: 323,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,434.67 : 587,112.16 = 234,460.36 : x
  2. Step 2: Convert to fraction form
    425,434.67/587,112.16 = 234,460.36/x
  3. Step 3: Cross multiply
    425,434.67x = 587,112.16 × 234,460.36
  4. Step 4: Simplify right side
    425,434.67x = 137,654,528,393.98
  5. Step 5: Solve for x
    x = 137,654,528,393.98/425,434.67
  6. Step 6: Final answer
    x = 323,562.08

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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.