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Finding the Fourth Proportional to 475,084.86, 655,617.39 and 260,228.52

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Solution

The fourth proportional to 475,084.86, 655,617.39 and 260,228.52 is: 359,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,084.86 : 655,617.39 = 260,228.52 : x
  2. Step 2: Convert to fraction form
    475,084.86/655,617.39 = 260,228.52/x
  3. Step 3: Cross multiply
    475,084.86x = 655,617.39 × 260,228.52
  4. Step 4: Simplify right side
    475,084.86x = 170,610,343,085.96
  5. Step 5: Solve for x
    x = 170,610,343,085.96/475,084.86
  6. Step 6: Final answer
    x = 359,115.51

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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.