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Finding the Fourth Proportional to 474,859.54, 655,306.32 and 260,013.22

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Solution

The fourth proportional to 474,859.54, 655,306.32 and 260,013.22 is: 358,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,859.54 : 655,306.32 = 260,013.22 : x
  2. Step 2: Convert to fraction form
    474,859.54/655,306.32 = 260,013.22/x
  3. Step 3: Cross multiply
    474,859.54x = 655,306.32 × 260,013.22
  4. Step 4: Simplify right side
    474,859.54x = 170,388,306,349.55
  5. Step 5: Solve for x
    x = 170,388,306,349.55/474,859.54
  6. Step 6: Final answer
    x = 358,818.33

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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.