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Finding the Fourth Proportional to 559,963.60, 839,945.40 and 550,632.40

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Solution

The fourth proportional to 559,963.60, 839,945.40 and 550,632.40 is: 825,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,963.60 : 839,945.40 = 550,632.40 : x
  2. Step 2: Convert to fraction form
    559,963.60/839,945.40 = 550,632.40/x
  3. Step 3: Cross multiply
    559,963.60x = 839,945.40 × 550,632.40
  4. Step 4: Simplify right side
    559,963.60x = 462,501,151,470.96
  5. Step 5: Solve for x
    x = 462,501,151,470.96/559,963.60
  6. Step 6: Final answer
    x = 825,948.60

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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.