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Finding the Fourth Proportional to 866,116.32, 1,195,219.44 and 484,188

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Solution

The fourth proportional to 866,116.32, 1,195,219.44 and 484,188 is: 668,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,116.32 : 1,195,219.44 = 484,188 : x
  2. Step 2: Convert to fraction form
    866,116.32/1,195,219.44 = 484,188/x
  3. Step 3: Cross multiply
    866,116.32x = 1,195,219.44 × 484,188
  4. Step 4: Simplify right side
    866,116.32x = 578,710,910,214.72
  5. Step 5: Solve for x
    x = 578,710,910,214.72/866,116.32
  6. Step 6: Final answer
    x = 668,167.65

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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.