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Finding the Fourth Proportional to 325,925.78, 449,778.57 and 180,741.78

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Solution

The fourth proportional to 325,925.78, 449,778.57 and 180,741.78 is: 249,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,925.78 : 449,778.57 = 180,741.78 : x
  2. Step 2: Convert to fraction form
    325,925.78/449,778.57 = 180,741.78/x
  3. Step 3: Cross multiply
    325,925.78x = 449,778.57 × 180,741.78
  4. Step 4: Simplify right side
    325,925.78x = 81,293,779,347.65
  5. Step 5: Solve for x
    x = 81,293,779,347.65/325,925.78
  6. Step 6: Final answer
    x = 249,424.21

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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.