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Finding the Fourth Proportional to 475,065.19, 655,590.03 and 260,212.93

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Solution

The fourth proportional to 475,065.19, 655,590.03 and 260,212.93 is: 359,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,065.19 : 655,590.03 = 260,212.93 : x
  2. Step 2: Convert to fraction form
    475,065.19/655,590.03 = 260,212.93/x
  3. Step 3: Cross multiply
    475,065.19x = 655,590.03 × 260,212.93
  4. Step 4: Simplify right side
    475,065.19x = 170,593,002,585.09
  5. Step 5: Solve for x
    x = 170,593,002,585.09/475,065.19
  6. Step 6: Final answer
    x = 359,093.88

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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.