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Finding the Fourth Proportional to 474,856.16, 655,281.24 and 259,992.32

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Solution

The fourth proportional to 474,856.16, 655,281.24 and 259,992.32 is: 358,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,856.16 : 655,281.24 = 259,992.32 : x
  2. Step 2: Convert to fraction form
    474,856.16/655,281.24 = 259,992.32/x
  3. Step 3: Cross multiply
    474,856.16x = 655,281.24 × 259,992.32
  4. Step 4: Simplify right side
    474,856.16x = 170,368,089,840.08
  5. Step 5: Solve for x
    x = 170,368,089,840.08/474,856.16
  6. Step 6: Final answer
    x = 358,778.31

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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.