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Finding the Fourth Proportional to 584,620.80, 876,866.40 and 163,939.20

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Solution

The fourth proportional to 584,620.80, 876,866.40 and 163,939.20 is: 245,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,620.80 : 876,866.40 = 163,939.20 : x
  2. Step 2: Convert to fraction form
    584,620.80/876,866.40 = 163,939.20/x
  3. Step 3: Cross multiply
    584,620.80x = 876,866.40 × 163,939.20
  4. Step 4: Simplify right side
    584,620.80x = 143,752,776,122.88
  5. Step 5: Solve for x
    x = 143,752,776,122.88/584,620.80
  6. Step 6: Final answer
    x = 245,890.63

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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.