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Finding the Fourth Proportional to 370,811.80, 556,436.40 and 244,816.30

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Solution

The fourth proportional to 370,811.80, 556,436.40 and 244,816.30 is: 367,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,811.80 : 556,436.40 = 244,816.30 : x
  2. Step 2: Convert to fraction form
    370,811.80/556,436.40 = 244,816.30/x
  3. Step 3: Cross multiply
    370,811.80x = 556,436.40 × 244,816.30
  4. Step 4: Simplify right side
    370,811.80x = 136,224,700,633.32
  5. Step 5: Solve for x
    x = 136,224,700,633.32/370,811.80
  6. Step 6: Final answer
    x = 367,368.84

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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.