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Finding the Fourth Proportional to 508,342.42, 762,519.12 and 153,359.52

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Solution

The fourth proportional to 508,342.42, 762,519.12 and 153,359.52 is: 230,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,342.42 : 762,519.12 = 153,359.52 : x
  2. Step 2: Convert to fraction form
    508,342.42/762,519.12 = 153,359.52/x
  3. Step 3: Cross multiply
    508,342.42x = 762,519.12 × 153,359.52
  4. Step 4: Simplify right side
    508,342.42x = 116,939,566,234.02
  5. Step 5: Solve for x
    x = 116,939,566,234.02/508,342.42
  6. Step 6: Final answer
    x = 230,040.94

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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.