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Finding the Fourth Proportional to 607,658.80, 838,577.91 and 335,732.98

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Solution

The fourth proportional to 607,658.80, 838,577.91 and 335,732.98 is: 463,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,658.80 : 838,577.91 = 335,732.98 : x
  2. Step 2: Convert to fraction form
    607,658.80/838,577.91 = 335,732.98/x
  3. Step 3: Cross multiply
    607,658.80x = 838,577.91 × 335,732.98
  4. Step 4: Simplify right side
    607,658.80x = 281,538,260,686.47
  5. Step 5: Solve for x
    x = 281,538,260,686.47/607,658.80
  6. Step 6: Final answer
    x = 463,316.36

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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.