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Finding the Fourth Proportional to 368,792.48, 508,982.10 and 207,679.04

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Solution

The fourth proportional to 368,792.48, 508,982.10 and 207,679.04 is: 286,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,792.48 : 508,982.10 = 207,679.04 : x
  2. Step 2: Convert to fraction form
    368,792.48/508,982.10 = 207,679.04/x
  3. Step 3: Cross multiply
    368,792.48x = 508,982.10 × 207,679.04
  4. Step 4: Simplify right side
    368,792.48x = 105,704,913,905.18
  5. Step 5: Solve for x
    x = 105,704,913,905.18/368,792.48
  6. Step 6: Final answer
    x = 286,624.37

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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.