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Finding the Fourth Proportional to 1,532.50, 2,296.92 and 557.46

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Solution

The fourth proportional to 1,532.50, 2,296.92 and 557.46 is: 835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.50 : 2,296.92 = 557.46 : x
  2. Step 2: Convert to fraction form
    1,532.50/2,296.92 = 557.46/x
  3. Step 3: Cross multiply
    1,532.50x = 2,296.92 × 557.46
  4. Step 4: Simplify right side
    1,532.50x = 1,280,441.02
  5. Step 5: Solve for x
    x = 1,280,441.02/1,532.50
  6. Step 6: Final answer
    x = 835.52

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1.5x scale

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.