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Finding the Fourth Proportional to 607,389.75, 838,192.94 and 335,476.28

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Solution

The fourth proportional to 607,389.75, 838,192.94 and 335,476.28 is: 462,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,389.75 : 838,192.94 = 335,476.28 : x
  2. Step 2: Convert to fraction form
    607,389.75/838,192.94 = 335,476.28/x
  3. Step 3: Cross multiply
    607,389.75x = 838,192.94 × 335,476.28
  4. Step 4: Simplify right side
    607,389.75x = 281,193,849,433.46
  5. Step 5: Solve for x
    x = 281,193,849,433.46/607,389.75
  6. Step 6: Final answer
    x = 462,954.55

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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.