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Finding the Fourth Proportional to 261,190.20, 391,763.52 and 184,973.64

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Solution

The fourth proportional to 261,190.20, 391,763.52 and 184,973.64 is: 277,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,190.20 : 391,763.52 = 184,973.64 : x
  2. Step 2: Convert to fraction form
    261,190.20/391,763.52 = 184,973.64/x
  3. Step 3: Cross multiply
    261,190.20x = 391,763.52 × 184,973.64
  4. Step 4: Simplify right side
    261,190.20x = 72,465,924,313.61
  5. Step 5: Solve for x
    x = 72,465,924,313.61/261,190.20
  6. Step 6: Final answer
    x = 277,445.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.