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Finding the Fourth Proportional to 335,847.80, 503,886.90 and 148,993.40

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Solution

The fourth proportional to 335,847.80, 503,886.90 and 148,993.40 is: 223,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,847.80 : 503,886.90 = 148,993.40 : x
  2. Step 2: Convert to fraction form
    335,847.80/503,886.90 = 148,993.40/x
  3. Step 3: Cross multiply
    335,847.80x = 503,886.90 × 148,993.40
  4. Step 4: Simplify right side
    335,847.80x = 75,075,822,446.46
  5. Step 5: Solve for x
    x = 75,075,822,446.46/335,847.80
  6. Step 6: Final answer
    x = 223,541.21

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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.