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Finding the Fourth Proportional to 372,502.08, 514,069.68 and 219,546.72

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Solution

The fourth proportional to 372,502.08, 514,069.68 and 219,546.72 is: 302,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,502.08 : 514,069.68 = 219,546.72 : x
  2. Step 2: Convert to fraction form
    372,502.08/514,069.68 = 219,546.72/x
  3. Step 3: Cross multiply
    372,502.08x = 514,069.68 × 219,546.72
  4. Step 4: Simplify right side
    372,502.08x = 112,862,312,095.45
  5. Step 5: Solve for x
    x = 112,862,312,095.45/372,502.08
  6. Step 6: Final answer
    x = 302,984.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.