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Finding the Fourth Proportional to 614,972.85, 848,663.89 and 343,058.35

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Solution

The fourth proportional to 614,972.85, 848,663.89 and 343,058.35 is: 473,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,972.85 : 848,663.89 = 343,058.35 : x
  2. Step 2: Convert to fraction form
    614,972.85/848,663.89 = 343,058.35/x
  3. Step 3: Cross multiply
    614,972.85x = 848,663.89 × 343,058.35
  4. Step 4: Simplify right side
    614,972.85x = 291,141,234,349.62
  5. Step 5: Solve for x
    x = 291,141,234,349.62/614,972.85
  6. Step 6: Final answer
    x = 473,421.28

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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.