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Finding the Fourth Proportional to 422,959.19, 583,683.81 and 229,366.85

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Solution

The fourth proportional to 422,959.19, 583,683.81 and 229,366.85 is: 316,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,959.19 : 583,683.81 = 229,366.85 : x
  2. Step 2: Convert to fraction form
    422,959.19/583,683.81 = 229,366.85/x
  3. Step 3: Cross multiply
    422,959.19x = 583,683.81 × 229,366.85
  4. Step 4: Simplify right side
    422,959.19x = 133,877,713,977.28
  5. Step 5: Solve for x
    x = 133,877,713,977.28/422,959.19
  6. Step 6: Final answer
    x = 316,526.32

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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.