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Finding the Fourth Proportional to 370,870.40, 556,305.60 and 366,933.80

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Solution

The fourth proportional to 370,870.40, 556,305.60 and 366,933.80 is: 550,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,870.40 : 556,305.60 = 366,933.80 : x
  2. Step 2: Convert to fraction form
    370,870.40/556,305.60 = 366,933.80/x
  3. Step 3: Cross multiply
    370,870.40x = 556,305.60 × 366,933.80
  4. Step 4: Simplify right side
    370,870.40x = 204,127,327,769.28
  5. Step 5: Solve for x
    x = 204,127,327,769.28/370,870.40
  6. Step 6: Final answer
    x = 550,400.70

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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.