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Finding the Fourth Proportional to 607,545.51, 838,419.84 and 335,607.80

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Solution

The fourth proportional to 607,545.51, 838,419.84 and 335,607.80 is: 463,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,545.51 : 838,419.84 = 335,607.80 : x
  2. Step 2: Convert to fraction form
    607,545.51/838,419.84 = 335,607.80/x
  3. Step 3: Cross multiply
    607,545.51x = 838,419.84 × 335,607.80
  4. Step 4: Simplify right side
    607,545.51x = 281,380,233,786.65
  5. Step 5: Solve for x
    x = 281,380,233,786.65/607,545.51
  6. Step 6: Final answer
    x = 463,142.64

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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.