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Finding the Fourth Proportional to 586,228.30, 878,726.85 and 373,159.42

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Solution

The fourth proportional to 586,228.30, 878,726.85 and 373,159.42 is: 559,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,228.30 : 878,726.85 = 373,159.42 : x
  2. Step 2: Convert to fraction form
    586,228.30/878,726.85 = 373,159.42/x
  3. Step 3: Cross multiply
    586,228.30x = 878,726.85 × 373,159.42
  4. Step 4: Simplify right side
    586,228.30x = 327,905,201,684.43
  5. Step 5: Solve for x
    x = 327,905,201,684.43/586,228.30
  6. Step 6: Final answer
    x = 559,347.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.