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Finding the Fourth Proportional to 368,254.51, 508,019.57 and 239,183.80

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Solution

The fourth proportional to 368,254.51, 508,019.57 and 239,183.80 is: 329,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,254.51 : 508,019.57 = 239,183.80 : x
  2. Step 2: Convert to fraction form
    368,254.51/508,019.57 = 239,183.80/x
  3. Step 3: Cross multiply
    368,254.51x = 508,019.57 × 239,183.80
  4. Step 4: Simplify right side
    368,254.51x = 121,510,051,226.97
  5. Step 5: Solve for x
    x = 121,510,051,226.97/368,254.51
  6. Step 6: Final answer
    x = 329,962.15

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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.