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Finding the Fourth Proportional to 475,322.22, 655,951.23 and 260,458.38

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Solution

The fourth proportional to 475,322.22, 655,951.23 and 260,458.38 is: 359,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,322.22 : 655,951.23 = 260,458.38 : x
  2. Step 2: Convert to fraction form
    475,322.22/655,951.23 = 260,458.38/x
  3. Step 3: Cross multiply
    475,322.22x = 655,951.23 × 260,458.38
  4. Step 4: Simplify right side
    475,322.22x = 170,847,994,724.81
  5. Step 5: Solve for x
    x = 170,847,994,724.81/475,322.22
  6. Step 6: Final answer
    x = 359,436.16

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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.