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Finding the Fourth Proportional to 584,322.30, 876,418.65 and 163,640.70

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Solution

The fourth proportional to 584,322.30, 876,418.65 and 163,640.70 is: 245,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,322.30 : 876,418.65 = 163,640.70 : x
  2. Step 2: Convert to fraction form
    584,322.30/876,418.65 = 163,640.70/x
  3. Step 3: Cross multiply
    584,322.30x = 876,418.65 × 163,640.70
  4. Step 4: Simplify right side
    584,322.30x = 143,417,761,379.06
  5. Step 5: Solve for x
    x = 143,417,761,379.06/584,322.30
  6. Step 6: Final answer
    x = 245,442.90

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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.