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Finding the Fourth Proportional to 514,661.42, 772,148.46 and 248,372.30

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Solution

The fourth proportional to 514,661.42, 772,148.46 and 248,372.30 is: 372,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,661.42 : 772,148.46 = 248,372.30 : x
  2. Step 2: Convert to fraction form
    514,661.42/772,148.46 = 248,372.30/x
  3. Step 3: Cross multiply
    514,661.42x = 772,148.46 × 248,372.30
  4. Step 4: Simplify right side
    514,661.42x = 191,780,288,951.66
  5. Step 5: Solve for x
    x = 191,780,288,951.66/514,661.42
  6. Step 6: Final answer
    x = 372,633.89

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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.