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Finding the Fourth Proportional to 317,182.53, 437,591.79 and 202,465.47

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Solution

The fourth proportional to 317,182.53, 437,591.79 and 202,465.47 is: 279,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,182.53 : 437,591.79 = 202,465.47 : x
  2. Step 2: Convert to fraction form
    317,182.53/437,591.79 = 202,465.47/x
  3. Step 3: Cross multiply
    317,182.53x = 437,591.79 × 202,465.47
  4. Step 4: Simplify right side
    317,182.53x = 88,597,227,430.49
  5. Step 5: Solve for x
    x = 88,597,227,430.49/317,182.53
  6. Step 6: Final answer
    x = 279,325.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.