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Finding the Fourth Proportional to 586,739.97, 809,673.17 and 360,341.73

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Solution

The fourth proportional to 586,739.97, 809,673.17 and 360,341.73 is: 497,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,739.97 : 809,673.17 = 360,341.73 : x
  2. Step 2: Convert to fraction form
    586,739.97/809,673.17 = 360,341.73/x
  3. Step 3: Cross multiply
    586,739.97x = 809,673.17 × 360,341.73
  4. Step 4: Simplify right side
    586,739.97x = 291,759,029,010.68
  5. Step 5: Solve for x
    x = 291,759,029,010.68/586,739.97
  6. Step 6: Final answer
    x = 497,254.40

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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.