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Finding the Fourth Proportional to 556,182.18, 827,118 and 538,467.48

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Solution

The fourth proportional to 556,182.18, 827,118 and 538,467.48 is: 800,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,182.18 : 827,118 = 538,467.48 : x
  2. Step 2: Convert to fraction form
    556,182.18/827,118 = 538,467.48/x
  3. Step 3: Cross multiply
    556,182.18x = 827,118 × 538,467.48
  4. Step 4: Simplify right side
    556,182.18x = 445,376,145,122.64
  5. Step 5: Solve for x
    x = 445,376,145,122.64/556,182.18
  6. Step 6: Final answer
    x = 800,773.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.