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Finding the Fourth Proportional to 372,234, 558,402.72 and 119,455.20

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Solution

The fourth proportional to 372,234, 558,402.72 and 119,455.20 is: 179,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,234 : 558,402.72 = 119,455.20 : x
  2. Step 2: Convert to fraction form
    372,234/558,402.72 = 119,455.20/x
  3. Step 3: Cross multiply
    372,234x = 558,402.72 × 119,455.20
  4. Step 4: Simplify right side
    372,234x = 66,704,108,598.14
  5. Step 5: Solve for x
    x = 66,704,108,598.14/372,234
  6. Step 6: Final answer
    x = 179,199.40

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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.