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Finding the Fourth Proportional to 586,740.97, 809,674.54 and 360,342.73

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Solution

The fourth proportional to 586,740.97, 809,674.54 and 360,342.73 is: 497,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,740.97 : 809,674.54 = 360,342.73 : x
  2. Step 2: Convert to fraction form
    586,740.97/809,674.54 = 360,342.73/x
  3. Step 3: Cross multiply
    586,740.97x = 809,674.54 × 360,342.73
  4. Step 4: Simplify right side
    586,740.97x = 291,760,334,155.09
  5. Step 5: Solve for x
    x = 291,760,334,155.09/586,740.97
  6. Step 6: Final answer
    x = 497,255.77

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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.