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Finding the Fourth Proportional to 488,017.40, 732,026.10 and 251,821.40

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Solution

The fourth proportional to 488,017.40, 732,026.10 and 251,821.40 is: 377,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,017.40 : 732,026.10 = 251,821.40 : x
  2. Step 2: Convert to fraction form
    488,017.40/732,026.10 = 251,821.40/x
  3. Step 3: Cross multiply
    488,017.40x = 732,026.10 × 251,821.40
  4. Step 4: Simplify right side
    488,017.40x = 184,339,837,338.54
  5. Step 5: Solve for x
    x = 184,339,837,338.54/488,017.40
  6. Step 6: Final answer
    x = 377,732.10

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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.