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Finding the Fourth Proportional to 436,702.88, 602,661.75 and 245,723.06

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Solution

The fourth proportional to 436,702.88, 602,661.75 and 245,723.06 is: 339,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,702.88 : 602,661.75 = 245,723.06 : x
  2. Step 2: Convert to fraction form
    436,702.88/602,661.75 = 245,723.06/x
  3. Step 3: Cross multiply
    436,702.88x = 602,661.75 × 245,723.06
  4. Step 4: Simplify right side
    436,702.88x = 148,087,889,354.96
  5. Step 5: Solve for x
    x = 148,087,889,354.96/436,702.88
  6. Step 6: Final answer
    x = 339,104.45

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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.