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Finding the Fourth Proportional to 488,277.40, 731,832.90 and 251,498.20

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Solution

The fourth proportional to 488,277.40, 731,832.90 and 251,498.20 is: 376,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,277.40 : 731,832.90 = 251,498.20 : x
  2. Step 2: Convert to fraction form
    488,277.40/731,832.90 = 251,498.20/x
  3. Step 3: Cross multiply
    488,277.40x = 731,832.90 × 251,498.20
  4. Step 4: Simplify right side
    488,277.40x = 184,054,657,050.78
  5. Step 5: Solve for x
    x = 184,054,657,050.78/488,277.40
  6. Step 6: Final answer
    x = 376,946.91

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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.