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Finding the Fourth Proportional to 373,058.76, 514,819.47 and 203,292.90

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Solution

The fourth proportional to 373,058.76, 514,819.47 and 203,292.90 is: 280,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,058.76 : 514,819.47 = 203,292.90 : x
  2. Step 2: Convert to fraction form
    373,058.76/514,819.47 = 203,292.90/x
  3. Step 3: Cross multiply
    373,058.76x = 514,819.47 × 203,292.90
  4. Step 4: Simplify right side
    373,058.76x = 104,659,143,032.76
  5. Step 5: Solve for x
    x = 104,659,143,032.76/373,058.76
  6. Step 6: Final answer
    x = 280,543.32

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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.