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Finding the Fourth Proportional to 247,702.25, 341,503.80 and 178,733.79

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Solution

The fourth proportional to 247,702.25, 341,503.80 and 178,733.79 is: 246,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,702.25 : 341,503.80 = 178,733.79 : x
  2. Step 2: Convert to fraction form
    247,702.25/341,503.80 = 178,733.79/x
  3. Step 3: Cross multiply
    247,702.25x = 341,503.80 × 178,733.79
  4. Step 4: Simplify right side
    247,702.25x = 61,038,267,803.15
  5. Step 5: Solve for x
    x = 61,038,267,803.15/247,702.25
  6. Step 6: Final answer
    x = 246,417.90

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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.