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Finding the Fourth Proportional to 235,464.60, 352,702.80 and 185,307.78

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Solution

The fourth proportional to 235,464.60, 352,702.80 and 185,307.78 is: 277,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,464.60 : 352,702.80 = 185,307.78 : x
  2. Step 2: Convert to fraction form
    235,464.60/352,702.80 = 185,307.78/x
  3. Step 3: Cross multiply
    235,464.60x = 352,702.80 × 185,307.78
  4. Step 4: Simplify right side
    235,464.60x = 65,358,572,867.78
  5. Step 5: Solve for x
    x = 65,358,572,867.78/235,464.60
  6. Step 6: Final answer
    x = 277,572.82

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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.