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Finding the Fourth Proportional to 509,706.06, 764,054.07 and 239,350.23

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Solution

The fourth proportional to 509,706.06, 764,054.07 and 239,350.23 is: 358,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,706.06 : 764,054.07 = 239,350.23 : x
  2. Step 2: Convert to fraction form
    509,706.06/764,054.07 = 239,350.23/x
  3. Step 3: Cross multiply
    509,706.06x = 764,054.07 × 239,350.23
  4. Step 4: Simplify right side
    509,706.06x = 182,876,517,386.94
  5. Step 5: Solve for x
    x = 182,876,517,386.94/509,706.06
  6. Step 6: Final answer
    x = 358,788.20

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1.5x scale

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.