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Finding the Fourth Proportional to 273,178.40, 408,994.88 and 144,802.18

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Solution

The fourth proportional to 273,178.40, 408,994.88 and 144,802.18 is: 216,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,178.40 : 408,994.88 = 144,802.18 : x
  2. Step 2: Convert to fraction form
    273,178.40/408,994.88 = 144,802.18/x
  3. Step 3: Cross multiply
    273,178.40x = 408,994.88 × 144,802.18
  4. Step 4: Simplify right side
    273,178.40x = 59,223,350,232.84
  5. Step 5: Solve for x
    x = 59,223,350,232.84/273,178.40
  6. Step 6: Final answer
    x = 216,793.68

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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.