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Finding the Fourth Proportional to 323,685.84, 485,598.86 and 124,006.25

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Solution

The fourth proportional to 323,685.84, 485,598.86 and 124,006.25 is: 186,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,685.84 : 485,598.86 = 124,006.25 : x
  2. Step 2: Convert to fraction form
    323,685.84/485,598.86 = 124,006.25/x
  3. Step 3: Cross multiply
    323,685.84x = 485,598.86 × 124,006.25
  4. Step 4: Simplify right side
    323,685.84x = 60,217,292,657.91
  5. Step 5: Solve for x
    x = 60,217,292,657.91/323,685.84
  6. Step 6: Final answer
    x = 186,036.23

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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.