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Finding the Fourth Proportional to 469,159.29, 647,812.49 and 433,336.23

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Solution

The fourth proportional to 469,159.29, 647,812.49 and 433,336.23 is: 598,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,159.29 : 647,812.49 = 433,336.23 : x
  2. Step 2: Convert to fraction form
    469,159.29/647,812.49 = 433,336.23/x
  3. Step 3: Cross multiply
    469,159.29x = 647,812.49 × 433,336.23
  4. Step 4: Simplify right side
    469,159.29x = 280,720,619,996.83
  5. Step 5: Solve for x
    x = 280,720,619,996.83/469,159.29
  6. Step 6: Final answer
    x = 598,348.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.