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Finding the Fourth Proportional to 530,696.84, 732,169.31 and 301,121.17

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Solution

The fourth proportional to 530,696.84, 732,169.31 and 301,121.17 is: 415,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,696.84 : 732,169.31 = 301,121.17 : x
  2. Step 2: Convert to fraction form
    530,696.84/732,169.31 = 301,121.17/x
  3. Step 3: Cross multiply
    530,696.84x = 732,169.31 × 301,121.17
  4. Step 4: Simplify right side
    530,696.84x = 220,471,674,098.84
  5. Step 5: Solve for x
    x = 220,471,674,098.84/530,696.84
  6. Step 6: Final answer
    x = 415,438.08

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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.