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Finding the Fourth Proportional to 586,189.56, 808,684.80 and 344,363.04

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Solution

The fourth proportional to 586,189.56, 808,684.80 and 344,363.04 is: 475,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,189.56 : 808,684.80 = 344,363.04 : x
  2. Step 2: Convert to fraction form
    586,189.56/808,684.80 = 344,363.04/x
  3. Step 3: Cross multiply
    586,189.56x = 808,684.80 × 344,363.04
  4. Step 4: Simplify right side
    586,189.56x = 278,481,156,129.79
  5. Step 5: Solve for x
    x = 278,481,156,129.79/586,189.56
  6. Step 6: Final answer
    x = 475,070.14

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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.