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Finding the Fourth Proportional to 661,805.60, 992,708.40 and 588,322.40

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Solution

The fourth proportional to 661,805.60, 992,708.40 and 588,322.40 is: 882,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,805.60 : 992,708.40 = 588,322.40 : x
  2. Step 2: Convert to fraction form
    661,805.60/992,708.40 = 588,322.40/x
  3. Step 3: Cross multiply
    661,805.60x = 992,708.40 × 588,322.40
  4. Step 4: Simplify right side
    661,805.60x = 584,032,588,388.16
  5. Step 5: Solve for x
    x = 584,032,588,388.16/661,805.60
  6. Step 6: Final answer
    x = 882,483.60

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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.