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Finding the Fourth Proportional to 375,530.76, 518,280.72 and 214,348.92

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Solution

The fourth proportional to 375,530.76, 518,280.72 and 214,348.92 is: 295,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,530.76 : 518,280.72 = 214,348.92 : x
  2. Step 2: Convert to fraction form
    375,530.76/518,280.72 = 214,348.92/x
  3. Step 3: Cross multiply
    375,530.76x = 518,280.72 × 214,348.92
  4. Step 4: Simplify right side
    375,530.76x = 111,092,912,588.82
  5. Step 5: Solve for x
    x = 111,092,912,588.82/375,530.76
  6. Step 6: Final answer
    x = 295,829.06

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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.