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Finding the Fourth Proportional to 461,686.80, 693,113.40 and 248,624.40

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Solution

The fourth proportional to 461,686.80, 693,113.40 and 248,624.40 is: 373,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,686.80 : 693,113.40 = 248,624.40 : x
  2. Step 2: Convert to fraction form
    461,686.80/693,113.40 = 248,624.40/x
  3. Step 3: Cross multiply
    461,686.80x = 693,113.40 × 248,624.40
  4. Step 4: Simplify right side
    461,686.80x = 172,324,903,206.96
  5. Step 5: Solve for x
    x = 172,324,903,206.96/461,686.80
  6. Step 6: Final answer
    x = 373,250.66

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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.