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Finding the Fourth Proportional to 972,064.80, 1,457,902.80 and 466,624.80

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Solution

The fourth proportional to 972,064.80, 1,457,902.80 and 466,624.80 is: 699,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,064.80 : 1,457,902.80 = 466,624.80 : x
  2. Step 2: Convert to fraction form
    972,064.80/1,457,902.80 = 466,624.80/x
  3. Step 3: Cross multiply
    972,064.80x = 1,457,902.80 × 466,624.80
  4. Step 4: Simplify right side
    972,064.80x = 680,293,602,469.44
  5. Step 5: Solve for x
    x = 680,293,602,469.44/972,064.80
  6. Step 6: Final answer
    x = 699,843.88

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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.