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Finding the Fourth Proportional to 291,292.88, 437,109.16 and 122,802.90

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Solution

The fourth proportional to 291,292.88, 437,109.16 and 122,802.90 is: 184,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,292.88 : 437,109.16 = 122,802.90 : x
  2. Step 2: Convert to fraction form
    291,292.88/437,109.16 = 122,802.90/x
  3. Step 3: Cross multiply
    291,292.88x = 437,109.16 × 122,802.90
  4. Step 4: Simplify right side
    291,292.88x = 53,678,272,464.56
  5. Step 5: Solve for x
    x = 53,678,272,464.56/291,292.88
  6. Step 6: Final answer
    x = 184,275.95

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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.