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Finding the Fourth Proportional to 661,815.60, 992,723.40 and 588,332.40

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Solution

The fourth proportional to 661,815.60, 992,723.40 and 588,332.40 is: 882,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,815.60 : 992,723.40 = 588,332.40 : x
  2. Step 2: Convert to fraction form
    661,815.60/992,723.40 = 588,332.40/x
  3. Step 3: Cross multiply
    661,815.60x = 992,723.40 × 588,332.40
  4. Step 4: Simplify right side
    661,815.60x = 584,051,340,458.16
  5. Step 5: Solve for x
    x = 584,051,340,458.16/661,815.60
  6. Step 6: Final answer
    x = 882,498.60

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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.