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Finding the Fourth Proportional to 671,744.17, 926,964.94 and 369,938.17

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Solution

The fourth proportional to 671,744.17, 926,964.94 and 369,938.17 is: 510,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,744.17 : 926,964.94 = 369,938.17 : x
  2. Step 2: Convert to fraction form
    671,744.17/926,964.94 = 369,938.17/x
  3. Step 3: Cross multiply
    671,744.17x = 926,964.94 × 369,938.17
  4. Step 4: Simplify right side
    671,744.17x = 342,919,713,557.76
  5. Step 5: Solve for x
    x = 342,919,713,557.76/671,744.17
  6. Step 6: Final answer
    x = 510,491.54

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1.5x scale

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.