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Finding the Fourth Proportional to 1,503.74, 2,256.60 and 529.83

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Solution

The fourth proportional to 1,503.74, 2,256.60 and 529.83 is: 795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.74 : 2,256.60 = 529.83 : x
  2. Step 2: Convert to fraction form
    1,503.74/2,256.60 = 529.83/x
  3. Step 3: Cross multiply
    1,503.74x = 2,256.60 × 529.83
  4. Step 4: Simplify right side
    1,503.74x = 1,195,614.38
  5. Step 5: Solve for x
    x = 1,195,614.38/1,503.74
  6. Step 6: Final answer
    x = 795.10

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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.