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Finding the Fourth Proportional to 584,086.40, 875,643.60 and 247,385.60

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Solution

The fourth proportional to 584,086.40, 875,643.60 and 247,385.60 is: 370,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,086.40 : 875,643.60 = 247,385.60 : x
  2. Step 2: Convert to fraction form
    584,086.40/875,643.60 = 247,385.60/x
  3. Step 3: Cross multiply
    584,086.40x = 875,643.60 × 247,385.60
  4. Step 4: Simplify right side
    584,086.40x = 216,621,617,372.16
  5. Step 5: Solve for x
    x = 216,621,617,372.16/584,086.40
  6. Step 6: Final answer
    x = 370,872.56

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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.