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Finding the Fourth Proportional to 368,244.46, 508,005.77 and 239,173.80

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Solution

The fourth proportional to 368,244.46, 508,005.77 and 239,173.80 is: 329,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,244.46 : 508,005.77 = 239,173.80 : x
  2. Step 2: Convert to fraction form
    368,244.46/508,005.77 = 239,173.80/x
  3. Step 3: Cross multiply
    368,244.46x = 508,005.77 × 239,173.80
  4. Step 4: Simplify right side
    368,244.46x = 121,501,670,432.83
  5. Step 5: Solve for x
    x = 121,501,670,432.83/368,244.46
  6. Step 6: Final answer
    x = 329,948.40

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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.