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Finding the Fourth Proportional to 418,224.25, 576,886.11 and 333,543.61

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Solution

The fourth proportional to 418,224.25, 576,886.11 and 333,543.61 is: 460,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,224.25 : 576,886.11 = 333,543.61 : x
  2. Step 2: Convert to fraction form
    418,224.25/576,886.11 = 333,543.61/x
  3. Step 3: Cross multiply
    418,224.25x = 576,886.11 × 333,543.61
  4. Step 4: Simplify right side
    418,224.25x = 192,416,675,688.26
  5. Step 5: Solve for x
    x = 192,416,675,688.26/418,224.25
  6. Step 6: Final answer
    x = 460,080.15

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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.