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Finding the Fourth Proportional to 438,085.67, 604,586.43 and 247,094.96

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Solution

The fourth proportional to 438,085.67, 604,586.43 and 247,094.96 is: 341,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,085.67 : 604,586.43 = 247,094.96 : x
  2. Step 2: Convert to fraction form
    438,085.67/604,586.43 = 247,094.96/x
  3. Step 3: Cross multiply
    438,085.67x = 604,586.43 × 247,094.96
  4. Step 4: Simplify right side
    438,085.67x = 149,390,256,714.46
  5. Step 5: Solve for x
    x = 149,390,256,714.46/438,085.67
  6. Step 6: Final answer
    x = 341,006.95

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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.