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Finding the Fourth Proportional to 456,887.22, 630,524.97 and 255,683.22

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Solution

The fourth proportional to 456,887.22, 630,524.97 and 255,683.22 is: 352,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,887.22 : 630,524.97 = 255,683.22 : x
  2. Step 2: Convert to fraction form
    456,887.22/630,524.97 = 255,683.22/x
  3. Step 3: Cross multiply
    456,887.22x = 630,524.97 × 255,683.22
  4. Step 4: Simplify right side
    456,887.22x = 161,214,654,620.00
  5. Step 5: Solve for x
    x = 161,214,654,620.00/456,887.22
  6. Step 6: Final answer
    x = 352,854.38

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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.