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Finding the Fourth Proportional to 896,502.80, 1,343,371.80 and 777,616.40

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Solution

The fourth proportional to 896,502.80, 1,343,371.80 and 777,616.40 is: 1,165,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,502.80 : 1,343,371.80 = 777,616.40 : x
  2. Step 2: Convert to fraction form
    896,502.80/1,343,371.80 = 777,616.40/x
  3. Step 3: Cross multiply
    896,502.80x = 1,343,371.80 × 777,616.40
  4. Step 4: Simplify right side
    896,502.80x = 1,044,627,942,977.52
  5. Step 5: Solve for x
    x = 1,044,627,942,977.52/896,502.80
  6. Step 6: Final answer
    x = 1,165,225.52

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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.