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Finding the Fourth Proportional to 436,703.88, 602,663.13 and 245,724.06

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Solution

The fourth proportional to 436,703.88, 602,663.13 and 245,724.06 is: 339,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,703.88 : 602,663.13 = 245,724.06 : x
  2. Step 2: Convert to fraction form
    436,703.88/602,663.13 = 245,724.06/x
  3. Step 3: Cross multiply
    436,703.88x = 602,663.13 × 245,724.06
  4. Step 4: Simplify right side
    436,703.88x = 148,088,831,115.91
  5. Step 5: Solve for x
    x = 148,088,831,115.91/436,703.88
  6. Step 6: Final answer
    x = 339,105.83

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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.