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Finding the Fourth Proportional to 614,249.72, 847,666.54 and 356,176.76

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Solution

The fourth proportional to 614,249.72, 847,666.54 and 356,176.76 is: 491,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,249.72 : 847,666.54 = 356,176.76 : x
  2. Step 2: Convert to fraction form
    614,249.72/847,666.54 = 356,176.76/x
  3. Step 3: Cross multiply
    614,249.72x = 847,666.54 × 356,176.76
  4. Step 4: Simplify right side
    614,249.72x = 301,919,121,777.61
  5. Step 5: Solve for x
    x = 301,919,121,777.61/614,249.72
  6. Step 6: Final answer
    x = 491,525.05

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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.