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Finding the Fourth Proportional to 584,471.90, 876,716.49 and 163,721.18

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Solution

The fourth proportional to 584,471.90, 876,716.49 and 163,721.18 is: 245,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,471.90 : 876,716.49 = 163,721.18 : x
  2. Step 2: Convert to fraction form
    584,471.90/876,716.49 = 163,721.18/x
  3. Step 3: Cross multiply
    584,471.90x = 876,716.49 × 163,721.18
  4. Step 4: Simplify right side
    584,471.90x = 143,537,058,268.26
  5. Step 5: Solve for x
    x = 143,537,058,268.26/584,471.90
  6. Step 6: Final answer
    x = 245,584.19

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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.