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Finding the Fourth Proportional to 456,801.59, 630,241.28 and 265,778.08

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Solution

The fourth proportional to 456,801.59, 630,241.28 and 265,778.08 is: 366,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,801.59 : 630,241.28 = 265,778.08 : x
  2. Step 2: Convert to fraction form
    456,801.59/630,241.28 = 265,778.08/x
  3. Step 3: Cross multiply
    456,801.59x = 630,241.28 × 265,778.08
  4. Step 4: Simplify right side
    456,801.59x = 167,504,315,427.32
  5. Step 5: Solve for x
    x = 167,504,315,427.32/456,801.59
  6. Step 6: Final answer
    x = 366,689.43

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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.