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Finding the Fourth Proportional to 474,828.64, 655,238.64 and 259,927.54

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Solution

The fourth proportional to 474,828.64, 655,238.64 and 259,927.54 is: 358,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,828.64 : 655,238.64 = 259,927.54 : x
  2. Step 2: Convert to fraction form
    474,828.64/655,238.64 = 259,927.54/x
  3. Step 3: Cross multiply
    474,828.64x = 655,238.64 × 259,927.54
  4. Step 4: Simplify right side
    474,828.64x = 170,314,567,808.15
  5. Step 5: Solve for x
    x = 170,314,567,808.15/474,828.64
  6. Step 6: Final answer
    x = 358,686.38

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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.