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Finding the Fourth Proportional to 425,880.42, 587,693.79 and 234,882.42

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Solution

The fourth proportional to 425,880.42, 587,693.79 and 234,882.42 is: 324,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,880.42 : 587,693.79 = 234,882.42 : x
  2. Step 2: Convert to fraction form
    425,880.42/587,693.79 = 234,882.42/x
  3. Step 3: Cross multiply
    425,880.42x = 587,693.79 × 234,882.42
  4. Step 4: Simplify right side
    425,880.42x = 138,038,939,614.17
  5. Step 5: Solve for x
    x = 138,038,939,614.17/425,880.42
  6. Step 6: Final answer
    x = 324,126.05

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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.