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Finding the Fourth Proportional to 255,281.98, 352,385.54 and 200,691.74

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Solution

The fourth proportional to 255,281.98, 352,385.54 and 200,691.74 is: 277,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,281.98 : 352,385.54 = 200,691.74 : x
  2. Step 2: Convert to fraction form
    255,281.98/352,385.54 = 200,691.74/x
  3. Step 3: Cross multiply
    255,281.98x = 352,385.54 × 200,691.74
  4. Step 4: Simplify right side
    255,281.98x = 70,720,867,173.44
  5. Step 5: Solve for x
    x = 70,720,867,173.44/255,281.98
  6. Step 6: Final answer
    x = 277,030.39

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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.