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Finding the Fourth Proportional to 291,600.56, 436,767.89 and 141,525.45

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Solution

The fourth proportional to 291,600.56, 436,767.89 and 141,525.45 is: 211,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,600.56 : 436,767.89 = 141,525.45 : x
  2. Step 2: Convert to fraction form
    291,600.56/436,767.89 = 141,525.45/x
  3. Step 3: Cross multiply
    291,600.56x = 436,767.89 × 141,525.45
  4. Step 4: Simplify right side
    291,600.56x = 61,813,771,470.17
  5. Step 5: Solve for x
    x = 61,813,771,470.17/291,600.56
  6. Step 6: Final answer
    x = 211,980.98

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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.