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Finding the Fourth Proportional to 296,887.65, 445,331.48 and 72,246.30

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Solution

The fourth proportional to 296,887.65, 445,331.48 and 72,246.30 is: 108,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,887.65 : 445,331.48 = 72,246.30 : x
  2. Step 2: Convert to fraction form
    296,887.65/445,331.48 = 72,246.30/x
  3. Step 3: Cross multiply
    296,887.65x = 445,331.48 × 72,246.30
  4. Step 4: Simplify right side
    296,887.65x = 32,173,551,342.29
  5. Step 5: Solve for x
    x = 32,173,551,342.29/296,887.65
  6. Step 6: Final answer
    x = 108,369.45

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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.