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Finding the Fourth Proportional to 537,287.51, 805,759.72 and 177,391.62

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Solution

The fourth proportional to 537,287.51, 805,759.72 and 177,391.62 is: 266,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,287.51 : 805,759.72 = 177,391.62 : x
  2. Step 2: Convert to fraction form
    537,287.51/805,759.72 = 177,391.62/x
  3. Step 3: Cross multiply
    537,287.51x = 805,759.72 × 177,391.62
  4. Step 4: Simplify right side
    537,287.51x = 142,935,021,618.07
  5. Step 5: Solve for x
    x = 142,935,021,618.07/537,287.51
  6. Step 6: Final answer
    x = 266,030.79

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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.