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Finding the Fourth Proportional to 377,719.48, 520,127.94 and 369,337.24

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Solution

The fourth proportional to 377,719.48, 520,127.94 and 369,337.24 is: 508,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,719.48 : 520,127.94 = 369,337.24 : x
  2. Step 2: Convert to fraction form
    377,719.48/520,127.94 = 369,337.24/x
  3. Step 3: Cross multiply
    377,719.48x = 520,127.94 × 369,337.24
  4. Step 4: Simplify right side
    377,719.48x = 192,102,617,806.49
  5. Step 5: Solve for x
    x = 192,102,617,806.49/377,719.48
  6. Step 6: Final answer
    x = 508,585.41

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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.