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Finding the Fourth Proportional to 425,509.83, 587,207.66 and 234,530.55

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Solution

The fourth proportional to 425,509.83, 587,207.66 and 234,530.55 is: 323,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,509.83 : 587,207.66 = 234,530.55 : x
  2. Step 2: Convert to fraction form
    425,509.83/587,207.66 = 234,530.55/x
  3. Step 3: Cross multiply
    425,509.83x = 587,207.66 × 234,530.55
  4. Step 4: Simplify right side
    425,509.83x = 137,718,134,291.36
  5. Step 5: Solve for x
    x = 137,718,134,291.36/425,509.83
  6. Step 6: Final answer
    x = 323,654.41

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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.