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Finding the Fourth Proportional to 291,999.35, 437,788.75 and 179,447.07

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Solution

The fourth proportional to 291,999.35, 437,788.75 and 179,447.07 is: 269,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,999.35 : 437,788.75 = 179,447.07 : x
  2. Step 2: Convert to fraction form
    291,999.35/437,788.75 = 179,447.07/x
  3. Step 3: Cross multiply
    291,999.35x = 437,788.75 × 179,447.07
  4. Step 4: Simplify right side
    291,999.35x = 78,559,908,466.46
  5. Step 5: Solve for x
    x = 78,559,908,466.46/291,999.35
  6. Step 6: Final answer
    x = 269,041.38

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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.