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Finding the Fourth Proportional to 418,677.76, 577,779.52 and 227,695.44

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Solution

The fourth proportional to 418,677.76, 577,779.52 and 227,695.44 is: 314,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,677.76 : 577,779.52 = 227,695.44 : x
  2. Step 2: Convert to fraction form
    418,677.76/577,779.52 = 227,695.44/x
  3. Step 3: Cross multiply
    418,677.76x = 577,779.52 × 227,695.44
  4. Step 4: Simplify right side
    418,677.76x = 131,557,762,029.39
  5. Step 5: Solve for x
    x = 131,557,762,029.39/418,677.76
  6. Step 6: Final answer
    x = 314,222.00

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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.