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Finding the Fourth Proportional to 702,076, 1,052,267.86 and 322,472.92

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Solution

The fourth proportional to 702,076, 1,052,267.86 and 322,472.92 is: 483,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,076 : 1,052,267.86 = 322,472.92 : x
  2. Step 2: Convert to fraction form
    702,076/1,052,267.86 = 322,472.92/x
  3. Step 3: Cross multiply
    702,076x = 1,052,267.86 × 322,472.92
  4. Step 4: Simplify right side
    702,076x = 339,327,889,436.35
  5. Step 5: Solve for x
    x = 339,327,889,436.35/702,076
  6. Step 6: Final answer
    x = 483,320.74

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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.