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Finding the Fourth Proportional to 366,686.67, 550,030.47 and 100,449.50

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Solution

The fourth proportional to 366,686.67, 550,030.47 and 100,449.50 is: 150,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,686.67 : 550,030.47 = 100,449.50 : x
  2. Step 2: Convert to fraction form
    366,686.67/550,030.47 = 100,449.50/x
  3. Step 3: Cross multiply
    366,686.67x = 550,030.47 × 100,449.50
  4. Step 4: Simplify right side
    366,686.67x = 55,250,282,946.11
  5. Step 5: Solve for x
    x = 55,250,282,946.11/366,686.67
  6. Step 6: Final answer
    x = 150,674.37

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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.