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Finding the Fourth Proportional to 637,767, 956,694.24 and 211,302

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Solution

The fourth proportional to 637,767, 956,694.24 and 211,302 is: 316,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,767 : 956,694.24 = 211,302 : x
  2. Step 2: Convert to fraction form
    637,767/956,694.24 = 211,302/x
  3. Step 3: Cross multiply
    637,767x = 956,694.24 × 211,302
  4. Step 4: Simplify right side
    637,767x = 202,151,406,300.48
  5. Step 5: Solve for x
    x = 202,151,406,300.48/637,767
  6. Step 6: Final answer
    x = 316,967.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.