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Finding the Fourth Proportional to 474,795.60, 655,225.74 and 259,932.12

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Solution

The fourth proportional to 474,795.60, 655,225.74 and 259,932.12 is: 358,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,795.60 : 655,225.74 = 259,932.12 : x
  2. Step 2: Convert to fraction form
    474,795.60/655,225.74 = 259,932.12/x
  3. Step 3: Cross multiply
    474,795.60x = 655,225.74 × 259,932.12
  4. Step 4: Simplify right side
    474,795.60x = 170,314,215,676.77
  5. Step 5: Solve for x
    x = 170,314,215,676.77/474,795.60
  6. Step 6: Final answer
    x = 358,710.60

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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.