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Finding the Fourth Proportional to 377,518.79, 520,976.01 and 207,752.91

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Solution

The fourth proportional to 377,518.79, 520,976.01 and 207,752.91 is: 286,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,518.79 : 520,976.01 = 207,752.91 : x
  2. Step 2: Convert to fraction form
    377,518.79/520,976.01 = 207,752.91/x
  3. Step 3: Cross multiply
    377,518.79x = 520,976.01 × 207,752.91
  4. Step 4: Simplify right side
    377,518.79x = 108,234,282,117.69
  5. Step 5: Solve for x
    x = 108,234,282,117.69/377,518.79
  6. Step 6: Final answer
    x = 286,699.06

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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.