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Finding the Fourth Proportional to 465,820.20, 698,730.30 and 436,295.70

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Solution

The fourth proportional to 465,820.20, 698,730.30 and 436,295.70 is: 654,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,820.20 : 698,730.30 = 436,295.70 : x
  2. Step 2: Convert to fraction form
    465,820.20/698,730.30 = 436,295.70/x
  3. Step 3: Cross multiply
    465,820.20x = 698,730.30 × 436,295.70
  4. Step 4: Simplify right side
    465,820.20x = 304,853,025,349.71
  5. Step 5: Solve for x
    x = 304,853,025,349.71/465,820.20
  6. Step 6: Final answer
    x = 654,443.55

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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.