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Finding the Fourth Proportional to 475,018.63, 655,532.84 and 260,178.73

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Solution

The fourth proportional to 475,018.63, 655,532.84 and 260,178.73 is: 359,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,018.63 : 655,532.84 = 260,178.73 : x
  2. Step 2: Convert to fraction form
    475,018.63/655,532.84 = 260,178.73/x
  3. Step 3: Cross multiply
    475,018.63x = 655,532.84 × 260,178.73
  4. Step 4: Simplify right side
    475,018.63x = 170,555,697,205.94
  5. Step 5: Solve for x
    x = 170,555,697,205.94/475,018.63
  6. Step 6: Final answer
    x = 359,050.55

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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.