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Finding the Fourth Proportional to 240,287.50, 331,596.75 and 134,303.50

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Solution

The fourth proportional to 240,287.50, 331,596.75 and 134,303.50 is: 185,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,287.50 : 331,596.75 = 134,303.50 : x
  2. Step 2: Convert to fraction form
    240,287.50/331,596.75 = 134,303.50/x
  3. Step 3: Cross multiply
    240,287.50x = 331,596.75 × 134,303.50
  4. Step 4: Simplify right side
    240,287.50x = 44,534,604,113.63
  5. Step 5: Solve for x
    x = 44,534,604,113.63/240,287.50
  6. Step 6: Final answer
    x = 185,338.83

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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.