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Finding the Fourth Proportional to 384,463.59, 572,748.30 and 367,191.96

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Solution

The fourth proportional to 384,463.59, 572,748.30 and 367,191.96 is: 547,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,463.59 : 572,748.30 = 367,191.96 : x
  2. Step 2: Convert to fraction form
    384,463.59/572,748.30 = 367,191.96/x
  3. Step 3: Cross multiply
    384,463.59x = 572,748.30 × 367,191.96
  4. Step 4: Simplify right side
    384,463.59x = 210,308,570,863.67
  5. Step 5: Solve for x
    x = 210,308,570,863.67/384,463.59
  6. Step 6: Final answer
    x = 547,018.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.