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Finding the Fourth Proportional to 377,416.44, 520,827.24 and 207,653.40

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Solution

The fourth proportional to 377,416.44, 520,827.24 and 207,653.40 is: 286,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,416.44 : 520,827.24 = 207,653.40 : x
  2. Step 2: Convert to fraction form
    377,416.44/520,827.24 = 207,653.40/x
  3. Step 3: Cross multiply
    377,416.44x = 520,827.24 × 207,653.40
  4. Step 4: Simplify right side
    377,416.44x = 108,151,547,198.62
  5. Step 5: Solve for x
    x = 108,151,547,198.62/377,416.44
  6. Step 6: Final answer
    x = 286,557.59

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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.