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Finding the Fourth Proportional to 425,249.67, 586,719 and 253,029.60

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Solution

The fourth proportional to 425,249.67, 586,719 and 253,029.60 is: 349,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,249.67 : 586,719 = 253,029.60 : x
  2. Step 2: Convert to fraction form
    425,249.67/586,719 = 253,029.60/x
  3. Step 3: Cross multiply
    425,249.67x = 586,719 × 253,029.60
  4. Step 4: Simplify right side
    425,249.67x = 148,457,273,882.40
  5. Step 5: Solve for x
    x = 148,457,273,882.40/425,249.67
  6. Step 6: Final answer
    x = 349,106.15

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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.