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Finding the Fourth Proportional to 418,706.94, 627,966.06 and 119,180.88

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Solution

The fourth proportional to 418,706.94, 627,966.06 and 119,180.88 is: 178,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,706.94 : 627,966.06 = 119,180.88 : x
  2. Step 2: Convert to fraction form
    418,706.94/627,966.06 = 119,180.88/x
  3. Step 3: Cross multiply
    418,706.94x = 627,966.06 × 119,180.88
  4. Step 4: Simplify right side
    418,706.94x = 74,841,547,640.93
  5. Step 5: Solve for x
    x = 74,841,547,640.93/418,706.94
  6. Step 6: Final answer
    x = 178,744.46

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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.