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Finding the Fourth Proportional to 474,798.42, 655,230.06 and 259,935.12

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Solution

The fourth proportional to 474,798.42, 655,230.06 and 259,935.12 is: 358,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,798.42 : 655,230.06 = 259,935.12 : x
  2. Step 2: Convert to fraction form
    474,798.42/655,230.06 = 259,935.12/x
  3. Step 3: Cross multiply
    474,798.42x = 655,230.06 × 259,935.12
  4. Step 4: Simplify right side
    474,798.42x = 170,317,304,273.71
  5. Step 5: Solve for x
    x = 170,317,304,273.71/474,798.42
  6. Step 6: Final answer
    x = 358,714.98

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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.