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Finding the Fourth Proportional to 375,426.84, 518,126.22 and 214,306.13

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Solution

The fourth proportional to 375,426.84, 518,126.22 and 214,306.13 is: 295,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,426.84 : 518,126.22 = 214,306.13 : x
  2. Step 2: Convert to fraction form
    375,426.84/518,126.22 = 214,306.13/x
  3. Step 3: Cross multiply
    375,426.84x = 518,126.22 × 214,306.13
  4. Step 4: Simplify right side
    375,426.84x = 111,037,626,355.04
  5. Step 5: Solve for x
    x = 111,037,626,355.04/375,426.84
  6. Step 6: Final answer
    x = 295,763.68

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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.