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Finding the Fourth Proportional to 588,484.48, 812,191.31 and 343,549.57

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Solution

The fourth proportional to 588,484.48, 812,191.31 and 343,549.57 is: 474,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,484.48 : 812,191.31 = 343,549.57 : x
  2. Step 2: Convert to fraction form
    588,484.48/812,191.31 = 343,549.57/x
  3. Step 3: Cross multiply
    588,484.48x = 812,191.31 × 343,549.57
  4. Step 4: Simplify right side
    588,484.48x = 279,027,973,590.49
  5. Step 5: Solve for x
    x = 279,027,973,590.49/588,484.48
  6. Step 6: Final answer
    x = 474,146.70

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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.