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Finding the Fourth Proportional to 552,935.79, 762,658.30 and 369,081.65

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Solution

The fourth proportional to 552,935.79, 762,658.30 and 369,081.65 is: 509,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,935.79 : 762,658.30 = 369,081.65 : x
  2. Step 2: Convert to fraction form
    552,935.79/762,658.30 = 369,081.65/x
  3. Step 3: Cross multiply
    552,935.79x = 762,658.30 × 369,081.65
  4. Step 4: Simplify right side
    552,935.79x = 281,483,184,656.43
  5. Step 5: Solve for x
    x = 281,483,184,656.43/552,935.79
  6. Step 6: Final answer
    x = 509,070.29

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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.