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Finding the Fourth Proportional to 586,480.70, 876,082.16 and 425,276.93

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Solution

The fourth proportional to 586,480.70, 876,082.16 and 425,276.93 is: 635,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,480.70 : 876,082.16 = 425,276.93 : x
  2. Step 2: Convert to fraction form
    586,480.70/876,082.16 = 425,276.93/x
  3. Step 3: Cross multiply
    586,480.70x = 876,082.16 × 425,276.93
  4. Step 4: Simplify right side
    586,480.70x = 372,577,524,925.77
  5. Step 5: Solve for x
    x = 372,577,524,925.77/586,480.70
  6. Step 6: Final answer
    x = 635,276.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.