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Finding the Fourth Proportional to 1,348.95, 2,023.60 and 471.32

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Solution

The fourth proportional to 1,348.95, 2,023.60 and 471.32 is: 707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.95 : 2,023.60 = 471.32 : x
  2. Step 2: Convert to fraction form
    1,348.95/2,023.60 = 471.32/x
  3. Step 3: Cross multiply
    1,348.95x = 2,023.60 × 471.32
  4. Step 4: Simplify right side
    1,348.95x = 953,756.53
  5. Step 5: Solve for x
    x = 953,756.53/1,348.95
  6. Step 6: Final answer
    x = 707.04

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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.