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Finding the Fourth Proportional to 368,230.83, 508,178.65 and 207,095.40

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Solution

The fourth proportional to 368,230.83, 508,178.65 and 207,095.40 is: 285,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,230.83 : 508,178.65 = 207,095.40 : x
  2. Step 2: Convert to fraction form
    368,230.83/508,178.65 = 207,095.40/x
  3. Step 3: Cross multiply
    368,230.83x = 508,178.65 × 207,095.40
  4. Step 4: Simplify right side
    368,230.83x = 105,241,460,793.21
  5. Step 5: Solve for x
    x = 105,241,460,793.21/368,230.83
  6. Step 6: Final answer
    x = 285,802.96

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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.