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Finding the Fourth Proportional to 368,557.38, 508,525.04 and 207,353.61

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Solution

The fourth proportional to 368,557.38, 508,525.04 and 207,353.61 is: 286,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,557.38 : 508,525.04 = 207,353.61 : x
  2. Step 2: Convert to fraction form
    368,557.38/508,525.04 = 207,353.61/x
  3. Step 3: Cross multiply
    368,557.38x = 508,525.04 × 207,353.61
  4. Step 4: Simplify right side
    368,557.38x = 105,444,505,986.48
  5. Step 5: Solve for x
    x = 105,444,505,986.48/368,557.38
  6. Step 6: Final answer
    x = 286,100.65

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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.