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Finding the Fourth Proportional to 523,591.32, 785,387.52 and 149,614.32

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Solution

The fourth proportional to 523,591.32, 785,387.52 and 149,614.32 is: 224,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,591.32 : 785,387.52 = 149,614.32 : x
  2. Step 2: Convert to fraction form
    523,591.32/785,387.52 = 149,614.32/x
  3. Step 3: Cross multiply
    523,591.32x = 785,387.52 × 149,614.32
  4. Step 4: Simplify right side
    523,591.32x = 117,505,219,741.29
  5. Step 5: Solve for x
    x = 117,505,219,741.29/523,591.32
  6. Step 6: Final answer
    x = 224,421.63

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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.