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Finding the Fourth Proportional to 368,374.86, 508,356.56 and 207,230.02

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Solution

The fourth proportional to 368,374.86, 508,356.56 and 207,230.02 is: 285,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,374.86 : 508,356.56 = 207,230.02 : x
  2. Step 2: Convert to fraction form
    368,374.86/508,356.56 = 207,230.02/x
  3. Step 3: Cross multiply
    368,374.86x = 508,356.56 × 207,230.02
  4. Step 4: Simplify right side
    368,374.86x = 105,346,740,095.93
  5. Step 5: Solve for x
    x = 105,346,740,095.93/368,374.86
  6. Step 6: Final answer
    x = 285,977.01

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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.