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Finding the Fourth Proportional to 255,033.17, 352,040.52 and 219,078.89

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Solution

The fourth proportional to 255,033.17, 352,040.52 and 219,078.89 is: 302,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,033.17 : 352,040.52 = 219,078.89 : x
  2. Step 2: Convert to fraction form
    255,033.17/352,040.52 = 219,078.89/x
  3. Step 3: Cross multiply
    255,033.17x = 352,040.52 × 219,078.89
  4. Step 4: Simplify right side
    255,033.17x = 77,124,646,356.62
  5. Step 5: Solve for x
    x = 77,124,646,356.62/255,033.17
  6. Step 6: Final answer
    x = 302,410.26

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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.