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Finding the Fourth Proportional to 932,270.40, 1,398,751.20 and 897,710.40

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Solution

The fourth proportional to 932,270.40, 1,398,751.20 and 897,710.40 is: 1,346,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,270.40 : 1,398,751.20 = 897,710.40 : x
  2. Step 2: Convert to fraction form
    932,270.40/1,398,751.20 = 897,710.40/x
  3. Step 3: Cross multiply
    932,270.40x = 1,398,751.20 × 897,710.40
  4. Step 4: Simplify right side
    932,270.40x = 1,255,673,499,252.48
  5. Step 5: Solve for x
    x = 1,255,673,499,252.48/932,270.40
  6. Step 6: Final answer
    x = 1,346,898.39

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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.