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Finding the Fourth Proportional to 897,648.40, 1,344,504.30 and 797,921.20

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Solution

The fourth proportional to 897,648.40, 1,344,504.30 and 797,921.20 is: 1,195,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,648.40 : 1,344,504.30 = 797,921.20 : x
  2. Step 2: Convert to fraction form
    897,648.40/1,344,504.30 = 797,921.20/x
  3. Step 3: Cross multiply
    897,648.40x = 1,344,504.30 × 797,921.20
  4. Step 4: Simplify right side
    897,648.40x = 1,072,808,484,461.16
  5. Step 5: Solve for x
    x = 1,072,808,484,461.16/897,648.40
  6. Step 6: Final answer
    x = 1,195,132.17

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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.