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Finding the Fourth Proportional to 524,800.88, 724,172.76 and 306,977.52

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Solution

The fourth proportional to 524,800.88, 724,172.76 and 306,977.52 is: 423,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,800.88 : 724,172.76 = 306,977.52 : x
  2. Step 2: Convert to fraction form
    524,800.88/724,172.76 = 306,977.52/x
  3. Step 3: Cross multiply
    524,800.88x = 724,172.76 × 306,977.52
  4. Step 4: Simplify right side
    524,800.88x = 222,304,757,916.36
  5. Step 5: Solve for x
    x = 222,304,757,916.36/524,800.88
  6. Step 6: Final answer
    x = 423,598.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.