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Finding the Fourth Proportional to 425,568.87, 587,284.88 and 234,585.45

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Solution

The fourth proportional to 425,568.87, 587,284.88 and 234,585.45 is: 323,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,568.87 : 587,284.88 = 234,585.45 : x
  2. Step 2: Convert to fraction form
    425,568.87/587,284.88 = 234,585.45/x
  3. Step 3: Cross multiply
    425,568.87x = 587,284.88 × 234,585.45
  4. Step 4: Simplify right side
    425,568.87x = 137,768,486,680.07
  5. Step 5: Solve for x
    x = 137,768,486,680.07/425,568.87
  6. Step 6: Final answer
    x = 323,727.83

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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.