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Finding the Fourth Proportional to 431,565.08, 595,629.98 and 259,656.80

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Solution

The fourth proportional to 431,565.08, 595,629.98 and 259,656.80 is: 358,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,565.08 : 595,629.98 = 259,656.80 : x
  2. Step 2: Convert to fraction form
    431,565.08/595,629.98 = 259,656.80/x
  3. Step 3: Cross multiply
    431,565.08x = 595,629.98 × 259,656.80
  4. Step 4: Simplify right side
    431,565.08x = 154,659,374,590.86
  5. Step 5: Solve for x
    x = 154,659,374,590.86/431,565.08
  6. Step 6: Final answer
    x = 358,368.60

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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.