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Finding the Fourth Proportional to 607,665.48, 838,506.87 and 335,717.16

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Solution

The fourth proportional to 607,665.48, 838,506.87 and 335,717.16 is: 463,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,665.48 : 838,506.87 = 335,717.16 : x
  2. Step 2: Convert to fraction form
    607,665.48/838,506.87 = 335,717.16/x
  3. Step 3: Cross multiply
    607,665.48x = 838,506.87 × 335,717.16
  4. Step 4: Simplify right side
    607,665.48x = 281,501,141,892.49
  5. Step 5: Solve for x
    x = 281,501,141,892.49/607,665.48
  6. Step 6: Final answer
    x = 463,250.18

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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.