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Finding the Fourth Proportional to 368,371.68, 553,074.48 and 188,585.52

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Solution

The fourth proportional to 368,371.68, 553,074.48 and 188,585.52 is: 283,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,371.68 : 553,074.48 = 188,585.52 : x
  2. Step 2: Convert to fraction form
    368,371.68/553,074.48 = 188,585.52/x
  3. Step 3: Cross multiply
    368,371.68x = 553,074.48 × 188,585.52
  4. Step 4: Simplify right side
    368,371.68x = 104,301,838,409.53
  5. Step 5: Solve for x
    x = 104,301,838,409.53/368,371.68
  6. Step 6: Final answer
    x = 283,142.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.