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Finding the Fourth Proportional to 460,185.68, 690,080.88 and 160,576.40

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Solution

The fourth proportional to 460,185.68, 690,080.88 and 160,576.40 is: 240,795.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,185.68 : 690,080.88 = 160,576.40 : x
  2. Step 2: Convert to fraction form
    460,185.68/690,080.88 = 160,576.40/x
  3. Step 3: Cross multiply
    460,185.68x = 690,080.88 × 160,576.40
  4. Step 4: Simplify right side
    460,185.68x = 110,810,703,419.23
  5. Step 5: Solve for x
    x = 110,810,703,419.23/460,185.68
  6. Step 6: Final answer
    x = 240,795.64

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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.