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Finding the Fourth Proportional to 607,758.48, 838,706.42 and 335,824

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Solution

The fourth proportional to 607,758.48, 838,706.42 and 335,824 is: 463,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,758.48 : 838,706.42 = 335,824 : x
  2. Step 2: Convert to fraction form
    607,758.48/838,706.42 = 335,824/x
  3. Step 3: Cross multiply
    607,758.48x = 838,706.42 × 335,824
  4. Step 4: Simplify right side
    607,758.48x = 281,657,744,790.08
  5. Step 5: Solve for x
    x = 281,657,744,790.08/607,758.48
  6. Step 6: Final answer
    x = 463,436.96

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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.