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Finding the Fourth Proportional to 488,275.75, 732,810.93 and 251,686.09

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Solution

The fourth proportional to 488,275.75, 732,810.93 and 251,686.09 is: 377,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,275.75 : 732,810.93 = 251,686.09 : x
  2. Step 2: Convert to fraction form
    488,275.75/732,810.93 = 251,686.09/x
  3. Step 3: Cross multiply
    488,275.75x = 732,810.93 × 251,686.09
  4. Step 4: Simplify right side
    488,275.75x = 184,438,317,680.96
  5. Step 5: Solve for x
    x = 184,438,317,680.96/488,275.75
  6. Step 6: Final answer
    x = 377,733.93

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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.