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Finding the Fourth Proportional to 607,686.50, 838,624.28 and 335,771.92

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Solution

The fourth proportional to 607,686.50, 838,624.28 and 335,771.92 is: 463,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,686.50 : 838,624.28 = 335,771.92 : x
  2. Step 2: Convert to fraction form
    607,686.50/838,624.28 = 335,771.92/x
  3. Step 3: Cross multiply
    607,686.50x = 838,624.28 × 335,771.92
  4. Step 4: Simplify right side
    607,686.50x = 281,586,484,654.22
  5. Step 5: Solve for x
    x = 281,586,484,654.22/607,686.50
  6. Step 6: Final answer
    x = 463,374.59

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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.