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Finding the Fourth Proportional to 475,081.94, 655,622.52 and 260,222.06

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Solution

The fourth proportional to 475,081.94, 655,622.52 and 260,222.06 is: 359,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,081.94 : 655,622.52 = 260,222.06 : x
  2. Step 2: Convert to fraction form
    475,081.94/655,622.52 = 260,222.06/x
  3. Step 3: Cross multiply
    475,081.94x = 655,622.52 × 260,222.06
  4. Step 4: Simplify right side
    475,081.94x = 170,607,442,736.79
  5. Step 5: Solve for x
    x = 170,607,442,736.79/475,081.94
  6. Step 6: Final answer
    x = 359,111.62

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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.