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Finding the Fourth Proportional to 460,079.60, 690,119.40 and 144,568.40

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Solution

The fourth proportional to 460,079.60, 690,119.40 and 144,568.40 is: 216,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,079.60 : 690,119.40 = 144,568.40 : x
  2. Step 2: Convert to fraction form
    460,079.60/690,119.40 = 144,568.40/x
  3. Step 3: Cross multiply
    460,079.60x = 690,119.40 × 144,568.40
  4. Step 4: Simplify right side
    460,079.60x = 99,769,457,466.96
  5. Step 5: Solve for x
    x = 99,769,457,466.96/460,079.60
  6. Step 6: Final answer
    x = 216,852.60

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Similar ratio
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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.