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Finding the Fourth Proportional to 475,073.17, 655,601.18 and 260,216.82

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Solution

The fourth proportional to 475,073.17, 655,601.18 and 260,216.82 is: 359,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,073.17 : 655,601.18 = 260,216.82 : x
  2. Step 2: Convert to fraction form
    475,073.17/655,601.18 = 260,216.82/x
  3. Step 3: Cross multiply
    475,073.17x = 655,601.18 × 260,216.82
  4. Step 4: Simplify right side
    475,073.17x = 170,598,452,946.76
  5. Step 5: Solve for x
    x = 170,598,452,946.76/475,073.17
  6. Step 6: Final answer
    x = 359,099.32

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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.