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Finding the Fourth Proportional to 375,404.76, 518,069.07 and 228,229.38

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Solution

The fourth proportional to 375,404.76, 518,069.07 and 228,229.38 is: 314,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,404.76 : 518,069.07 = 228,229.38 : x
  2. Step 2: Convert to fraction form
    375,404.76/518,069.07 = 228,229.38/x
  3. Step 3: Cross multiply
    375,404.76x = 518,069.07 × 228,229.38
  4. Step 4: Simplify right side
    375,404.76x = 118,238,582,643.28
  5. Step 5: Solve for x
    x = 118,238,582,643.28/375,404.76
  6. Step 6: Final answer
    x = 314,962.93

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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.