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Finding the Fourth Proportional to 377,293.17, 520,653.72 and 207,527.31

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Solution

The fourth proportional to 377,293.17, 520,653.72 and 207,527.31 is: 286,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,293.17 : 520,653.72 = 207,527.31 : x
  2. Step 2: Convert to fraction form
    377,293.17/520,653.72 = 207,527.31/x
  3. Step 3: Cross multiply
    377,293.17x = 520,653.72 × 207,527.31
  4. Step 4: Simplify right side
    377,293.17x = 108,049,865,953.09
  5. Step 5: Solve for x
    x = 108,049,865,953.09/377,293.17
  6. Step 6: Final answer
    x = 286,381.72

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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.