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Finding the Fourth Proportional to 291,300.88, 437,121.16 and 122,810.88

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Solution

The fourth proportional to 291,300.88, 437,121.16 and 122,810.88 is: 184,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,300.88 : 437,121.16 = 122,810.88 : x
  2. Step 2: Convert to fraction form
    291,300.88/437,121.16 = 122,810.88/x
  3. Step 3: Cross multiply
    291,300.88x = 437,121.16 × 122,810.88
  4. Step 4: Simplify right side
    291,300.88x = 53,683,234,326.22
  5. Step 5: Solve for x
    x = 53,683,234,326.22/291,300.88
  6. Step 6: Final answer
    x = 184,287.92

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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.