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Finding the Fourth Proportional to 535,276.65, 738,645 and 293,553.93

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Solution

The fourth proportional to 535,276.65, 738,645 and 293,553.93 is: 405,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,276.65 : 738,645 = 293,553.93 : x
  2. Step 2: Convert to fraction form
    535,276.65/738,645 = 293,553.93/x
  3. Step 3: Cross multiply
    535,276.65x = 738,645 × 293,553.93
  4. Step 4: Simplify right side
    535,276.65x = 216,832,142,624.85
  5. Step 5: Solve for x
    x = 216,832,142,624.85/535,276.65
  6. Step 6: Final answer
    x = 405,084.25

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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.