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Finding the Fourth Proportional to 425,273.16, 586,755.18 and 253,047.18

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Solution

The fourth proportional to 425,273.16, 586,755.18 and 253,047.18 is: 349,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,273.16 : 586,755.18 = 253,047.18 : x
  2. Step 2: Convert to fraction form
    425,273.16/586,755.18 = 253,047.18/x
  3. Step 3: Cross multiply
    425,273.16x = 586,755.18 × 253,047.18
  4. Step 4: Simplify right side
    425,273.16x = 148,476,743,649.39
  5. Step 5: Solve for x
    x = 148,476,743,649.39/425,273.16
  6. Step 6: Final answer
    x = 349,132.65

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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.