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Finding the Fourth Proportional to 475,441.78, 656,114.80 and 260,577.22

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Solution

The fourth proportional to 475,441.78, 656,114.80 and 260,577.22 is: 359,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,441.78 : 656,114.80 = 260,577.22 : x
  2. Step 2: Convert to fraction form
    475,441.78/656,114.80 = 260,577.22/x
  3. Step 3: Cross multiply
    475,441.78x = 656,114.80 × 260,577.22
  4. Step 4: Simplify right side
    475,441.78x = 170,968,570,584.86
  5. Step 5: Solve for x
    x = 170,968,570,584.86/475,441.78
  6. Step 6: Final answer
    x = 359,599.38

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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.