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Finding the Fourth Proportional to 452,557.80, 679,274.10 and 275,410.80

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Solution

The fourth proportional to 452,557.80, 679,274.10 and 275,410.80 is: 413,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,557.80 : 679,274.10 = 275,410.80 : x
  2. Step 2: Convert to fraction form
    452,557.80/679,274.10 = 275,410.80/x
  3. Step 3: Cross multiply
    452,557.80x = 679,274.10 × 275,410.80
  4. Step 4: Simplify right side
    452,557.80x = 187,079,423,300.28
  5. Step 5: Solve for x
    x = 187,079,423,300.28/452,557.80
  6. Step 6: Final answer
    x = 413,382.39

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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.