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Finding the Fourth Proportional to 454,127.87, 679,973.60 and 253,877.94

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Solution

The fourth proportional to 454,127.87, 679,973.60 and 253,877.94 is: 380,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,127.87 : 679,973.60 = 253,877.94 : x
  2. Step 2: Convert to fraction form
    454,127.87/679,973.60 = 253,877.94/x
  3. Step 3: Cross multiply
    454,127.87x = 679,973.60 × 253,877.94
  4. Step 4: Simplify right side
    454,127.87x = 172,630,295,552.99
  5. Step 5: Solve for x
    x = 172,630,295,552.99/454,127.87
  6. Step 6: Final answer
    x = 380,135.88

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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.