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Finding the Fourth Proportional to 1,559.48, 2,337.76 and 532.76

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Solution

The fourth proportional to 1,559.48, 2,337.76 and 532.76 is: 798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.48 : 2,337.76 = 532.76 : x
  2. Step 2: Convert to fraction form
    1,559.48/2,337.76 = 532.76/x
  3. Step 3: Cross multiply
    1,559.48x = 2,337.76 × 532.76
  4. Step 4: Simplify right side
    1,559.48x = 1,245,465.02
  5. Step 5: Solve for x
    x = 1,245,465.02/1,559.48
  6. Step 6: Final answer
    x = 798.64

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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.