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Finding the Fourth Proportional to 474,794.48, 655,216.53 and 259,948.19

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Solution

The fourth proportional to 474,794.48, 655,216.53 and 259,948.19 is: 358,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,794.48 : 655,216.53 = 259,948.19 : x
  2. Step 2: Convert to fraction form
    474,794.48/655,216.53 = 259,948.19/x
  3. Step 3: Cross multiply
    474,794.48x = 655,216.53 × 259,948.19
  4. Step 4: Simplify right side
    474,794.48x = 170,322,351,031.58
  5. Step 5: Solve for x
    x = 170,322,351,031.58/474,794.48
  6. Step 6: Final answer
    x = 358,728.58

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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.