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Finding the Fourth Proportional to 932,609.60, 1,398,914.40 and 932,609.60

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Solution

The fourth proportional to 932,609.60, 1,398,914.40 and 932,609.60 is: 1,398,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,609.60 : 1,398,914.40 = 932,609.60 : x
  2. Step 2: Convert to fraction form
    932,609.60/1,398,914.40 = 932,609.60/x
  3. Step 3: Cross multiply
    932,609.60x = 1,398,914.40 × 932,609.60
  4. Step 4: Simplify right side
    932,609.60x = 1,304,640,999,018.24
  5. Step 5: Solve for x
    x = 1,304,640,999,018.24/932,609.60
  6. Step 6: Final answer
    x = 1,398,914.40

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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.