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Finding the Fourth Proportional to 375,488.88, 518,154.84 and 214,337.52

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Solution

The fourth proportional to 375,488.88, 518,154.84 and 214,337.52 is: 295,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,488.88 : 518,154.84 = 214,337.52 : x
  2. Step 2: Convert to fraction form
    375,488.88/518,154.84 = 214,337.52/x
  3. Step 3: Cross multiply
    375,488.88x = 518,154.84 × 214,337.52
  4. Step 4: Simplify right side
    375,488.88x = 111,060,023,381.60
  5. Step 5: Solve for x
    x = 111,060,023,381.60/375,488.88
  6. Step 6: Final answer
    x = 295,774.47

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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.