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Finding the Fourth Proportional to 345,878.80, 518,461.56 and 250,871.12

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Solution

The fourth proportional to 345,878.80, 518,461.56 and 250,871.12 is: 376,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,878.80 : 518,461.56 = 250,871.12 : x
  2. Step 2: Convert to fraction form
    345,878.80/518,461.56 = 250,871.12/x
  3. Step 3: Cross multiply
    345,878.80x = 518,461.56 × 250,871.12
  4. Step 4: Simplify right side
    345,878.80x = 130,067,032,234.15
  5. Step 5: Solve for x
    x = 130,067,032,234.15/345,878.80
  6. Step 6: Final answer
    x = 376,048.00

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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.