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Finding the Fourth Proportional to 554,024.64, 764,081.10 and 382,216.65

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Solution

The fourth proportional to 554,024.64, 764,081.10 and 382,216.65 is: 527,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,024.64 : 764,081.10 = 382,216.65 : x
  2. Step 2: Convert to fraction form
    554,024.64/764,081.10 = 382,216.65/x
  3. Step 3: Cross multiply
    554,024.64x = 764,081.10 × 382,216.65
  4. Step 4: Simplify right side
    554,024.64x = 292,044,518,370.32
  5. Step 5: Solve for x
    x = 292,044,518,370.32/554,024.64
  6. Step 6: Final answer
    x = 527,132.73

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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.