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Finding the Fourth Proportional to 586,765.80, 878,180.40 and 586,765.80

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Solution

The fourth proportional to 586,765.80, 878,180.40 and 586,765.80 is: 878,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,765.80 : 878,180.40 = 586,765.80 : x
  2. Step 2: Convert to fraction form
    586,765.80/878,180.40 = 586,765.80/x
  3. Step 3: Cross multiply
    586,765.80x = 878,180.40 × 586,765.80
  4. Step 4: Simplify right side
    586,765.80x = 515,286,224,950.32
  5. Step 5: Solve for x
    x = 515,286,224,950.32/586,765.80
  6. Step 6: Final answer
    x = 878,180.40

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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.