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Finding the Fourth Proportional to 291,707.80, 437,561.70 and 241,941.40

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Solution

The fourth proportional to 291,707.80, 437,561.70 and 241,941.40 is: 362,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,707.80 : 437,561.70 = 241,941.40 : x
  2. Step 2: Convert to fraction form
    291,707.80/437,561.70 = 241,941.40/x
  3. Step 3: Cross multiply
    291,707.80x = 437,561.70 × 241,941.40
  4. Step 4: Simplify right side
    291,707.80x = 105,864,290,284.38
  5. Step 5: Solve for x
    x = 105,864,290,284.38/291,707.80
  6. Step 6: Final answer
    x = 362,912.10

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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.