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Finding the Fourth Proportional to 488,587.86, 674,290.71 and 273,775.86

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Solution

The fourth proportional to 488,587.86, 674,290.71 and 273,775.86 is: 377,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,587.86 : 674,290.71 = 273,775.86 : x
  2. Step 2: Convert to fraction form
    488,587.86/674,290.71 = 273,775.86/x
  3. Step 3: Cross multiply
    488,587.86x = 674,290.71 × 273,775.86
  4. Step 4: Simplify right side
    488,587.86x = 184,604,519,020.26
  5. Step 5: Solve for x
    x = 184,604,519,020.26/488,587.86
  6. Step 6: Final answer
    x = 377,832.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.