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Finding the Fourth Proportional to 488,139.10, 732,208.65 and 251,943.10

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Solution

The fourth proportional to 488,139.10, 732,208.65 and 251,943.10 is: 377,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,139.10 : 732,208.65 = 251,943.10 : x
  2. Step 2: Convert to fraction form
    488,139.10/732,208.65 = 251,943.10/x
  3. Step 3: Cross multiply
    488,139.10x = 732,208.65 × 251,943.10
  4. Step 4: Simplify right side
    488,139.10x = 184,474,917,127.82
  5. Step 5: Solve for x
    x = 184,474,917,127.82/488,139.10
  6. Step 6: Final answer
    x = 377,914.65

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Similar ratio
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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.