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Finding the Fourth Proportional to 735,552.80, 1,103,458.80 and 262,512.80

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Solution

The fourth proportional to 735,552.80, 1,103,458.80 and 262,512.80 is: 393,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,552.80 : 1,103,458.80 = 262,512.80 : x
  2. Step 2: Convert to fraction form
    735,552.80/1,103,458.80 = 262,512.80/x
  3. Step 3: Cross multiply
    735,552.80x = 1,103,458.80 × 262,512.80
  4. Step 4: Simplify right side
    735,552.80x = 289,672,059,272.64
  5. Step 5: Solve for x
    x = 289,672,059,272.64/735,552.80
  6. Step 6: Final answer
    x = 393,815.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.