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Finding the Fourth Proportional to 437,901.72, 604,319.28 and 254,126.06

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Solution

The fourth proportional to 437,901.72, 604,319.28 and 254,126.06 is: 350,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,901.72 : 604,319.28 = 254,126.06 : x
  2. Step 2: Convert to fraction form
    437,901.72/604,319.28 = 254,126.06/x
  3. Step 3: Cross multiply
    437,901.72x = 604,319.28 × 254,126.06
  4. Step 4: Simplify right side
    437,901.72x = 153,573,274,586.84
  5. Step 5: Solve for x
    x = 153,573,274,586.84/437,901.72
  6. Step 6: Final answer
    x = 350,702.61

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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.