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Finding the Fourth Proportional to 291,704.80, 437,557.20 and 241,938.40

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Solution

The fourth proportional to 291,704.80, 437,557.20 and 241,938.40 is: 362,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,704.80 : 437,557.20 = 241,938.40 : x
  2. Step 2: Convert to fraction form
    291,704.80/437,557.20 = 241,938.40/x
  3. Step 3: Cross multiply
    291,704.80x = 437,557.20 × 241,938.40
  4. Step 4: Simplify right side
    291,704.80x = 105,861,888,876.48
  5. Step 5: Solve for x
    x = 105,861,888,876.48/291,704.80
  6. Step 6: Final answer
    x = 362,907.60

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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.