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Finding the Fourth Proportional to 735,178.80, 1,102,897.80 and 262,138.80

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Solution

The fourth proportional to 735,178.80, 1,102,897.80 and 262,138.80 is: 393,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,178.80 : 1,102,897.80 = 262,138.80 : x
  2. Step 2: Convert to fraction form
    735,178.80/1,102,897.80 = 262,138.80/x
  3. Step 3: Cross multiply
    735,178.80x = 1,102,897.80 × 262,138.80
  4. Step 4: Simplify right side
    735,178.80x = 289,112,305,814.64
  5. Step 5: Solve for x
    x = 289,112,305,814.64/735,178.80
  6. Step 6: Final answer
    x = 393,254.41

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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.