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Finding the Fourth Proportional to 368,382.33, 508,362.53 and 207,237.33

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Solution

The fourth proportional to 368,382.33, 508,362.53 and 207,237.33 is: 285,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,382.33 : 508,362.53 = 207,237.33 : x
  2. Step 2: Convert to fraction form
    368,382.33/508,362.53 = 207,237.33/x
  3. Step 3: Cross multiply
    368,382.33x = 508,362.53 × 207,237.33
  4. Step 4: Simplify right side
    368,382.33x = 105,351,692,353.06
  5. Step 5: Solve for x
    x = 105,351,692,353.06/368,382.33
  6. Step 6: Final answer
    x = 285,984.65

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1.5x scale

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.