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Finding the Fourth Proportional to 375,937.61, 518,745.95 and 214,803.10

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Solution

The fourth proportional to 375,937.61, 518,745.95 and 214,803.10 is: 296,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,937.61 : 518,745.95 = 214,803.10 : x
  2. Step 2: Convert to fraction form
    375,937.61/518,745.95 = 214,803.10/x
  3. Step 3: Cross multiply
    375,937.61x = 518,745.95 × 214,803.10
  4. Step 4: Simplify right side
    375,937.61x = 111,428,235,578.72
  5. Step 5: Solve for x
    x = 111,428,235,578.72/375,937.61
  6. Step 6: Final answer
    x = 296,400.87

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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.