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Finding the Fourth Proportional to 260,577.76, 359,593.87 and 147,400.51

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Solution

The fourth proportional to 260,577.76, 359,593.87 and 147,400.51 is: 203,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,577.76 : 359,593.87 = 147,400.51 : x
  2. Step 2: Convert to fraction form
    260,577.76/359,593.87 = 147,400.51/x
  3. Step 3: Cross multiply
    260,577.76x = 359,593.87 × 147,400.51
  4. Step 4: Simplify right side
    260,577.76x = 53,004,319,830.87
  5. Step 5: Solve for x
    x = 53,004,319,830.87/260,577.76
  6. Step 6: Final answer
    x = 203,410.76

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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.