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Finding the Fourth Proportional to 295,774.51, 407,690.66 and 231,131.41

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Solution

The fourth proportional to 295,774.51, 407,690.66 and 231,131.41 is: 318,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,774.51 : 407,690.66 = 231,131.41 : x
  2. Step 2: Convert to fraction form
    295,774.51/407,690.66 = 231,131.41/x
  3. Step 3: Cross multiply
    295,774.51x = 407,690.66 × 231,131.41
  4. Step 4: Simplify right side
    295,774.51x = 94,230,118,177.07
  5. Step 5: Solve for x
    x = 94,230,118,177.07/295,774.51
  6. Step 6: Final answer
    x = 318,587.69

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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.