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Finding the Fourth Proportional to 488,973.40, 732,876.90 and 252,194.20

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Solution

The fourth proportional to 488,973.40, 732,876.90 and 252,194.20 is: 377,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,973.40 : 732,876.90 = 252,194.20 : x
  2. Step 2: Convert to fraction form
    488,973.40/732,876.90 = 252,194.20/x
  3. Step 3: Cross multiply
    488,973.40x = 732,876.90 × 252,194.20
  4. Step 4: Simplify right side
    488,973.40x = 184,827,303,493.98
  5. Step 5: Solve for x
    x = 184,827,303,493.98/488,973.40
  6. Step 6: Final answer
    x = 377,990.51

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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.