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Finding the Fourth Proportional to 425,131.93, 586,680.53 and 234,144.87

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Solution

The fourth proportional to 425,131.93, 586,680.53 and 234,144.87 is: 323,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,131.93 : 586,680.53 = 234,144.87 : x
  2. Step 2: Convert to fraction form
    425,131.93/586,680.53 = 234,144.87/x
  3. Step 3: Cross multiply
    425,131.93x = 586,680.53 × 234,144.87
  4. Step 4: Simplify right side
    425,131.93x = 137,368,236,428.38
  5. Step 5: Solve for x
    x = 137,368,236,428.38/425,131.93
  6. Step 6: Final answer
    x = 323,119.08

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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.