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Finding the Fourth Proportional to 368,174.61, 508,083.98 and 207,028.23

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Solution

The fourth proportional to 368,174.61, 508,083.98 and 207,028.23 is: 285,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,174.61 : 508,083.98 = 207,028.23 : x
  2. Step 2: Convert to fraction form
    368,174.61/508,083.98 = 207,028.23/x
  3. Step 3: Cross multiply
    368,174.61x = 508,083.98 × 207,028.23
  4. Step 4: Simplify right side
    368,174.61x = 105,187,726,035.61
  5. Step 5: Solve for x
    x = 105,187,726,035.61/368,174.61
  6. Step 6: Final answer
    x = 285,700.65

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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.