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Finding the Fourth Proportional to 454,086.84, 626,689.05 and 250,158.65

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Solution

The fourth proportional to 454,086.84, 626,689.05 and 250,158.65 is: 345,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,086.84 : 626,689.05 = 250,158.65 : x
  2. Step 2: Convert to fraction form
    454,086.84/626,689.05 = 250,158.65/x
  3. Step 3: Cross multiply
    454,086.84x = 626,689.05 × 250,158.65
  4. Step 4: Simplify right side
    454,086.84x = 156,771,688,284.51
  5. Step 5: Solve for x
    x = 156,771,688,284.51/454,086.84
  6. Step 6: Final answer
    x = 345,246.05

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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.