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Finding the Fourth Proportional to 898,442.76, 1,341,842.76 and 814,034.28

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Solution

The fourth proportional to 898,442.76, 1,341,842.76 and 814,034.28 is: 1,215,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,442.76 : 1,341,842.76 = 814,034.28 : x
  2. Step 2: Convert to fraction form
    898,442.76/1,341,842.76 = 814,034.28/x
  3. Step 3: Cross multiply
    898,442.76x = 1,341,842.76 × 814,034.28
  4. Step 4: Simplify right side
    898,442.76x = 1,092,306,005,009.81
  5. Step 5: Solve for x
    x = 1,092,306,005,009.81/898,442.76
  6. Step 6: Final answer
    x = 1,215,776.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.