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Finding the Fourth Proportional to 1,572.87, 2,360.12 and 598.98

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Solution

The fourth proportional to 1,572.87, 2,360.12 and 598.98 is: 898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.87 : 2,360.12 = 598.98 : x
  2. Step 2: Convert to fraction form
    1,572.87/2,360.12 = 598.98/x
  3. Step 3: Cross multiply
    1,572.87x = 2,360.12 × 598.98
  4. Step 4: Simplify right side
    1,572.87x = 1,413,661.68
  5. Step 5: Solve for x
    x = 1,413,661.68/1,572.87
  6. Step 6: Final answer
    x = 898.78

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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.