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Finding the Fourth Proportional to 298,454.60, 447,714.70 and 98,702.22

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Solution

The fourth proportional to 298,454.60, 447,714.70 and 98,702.22 is: 148,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,454.60 : 447,714.70 = 98,702.22 : x
  2. Step 2: Convert to fraction form
    298,454.60/447,714.70 = 98,702.22/x
  3. Step 3: Cross multiply
    298,454.60x = 447,714.70 × 98,702.22
  4. Step 4: Simplify right side
    298,454.60x = 44,190,434,816.63
  5. Step 5: Solve for x
    x = 44,190,434,816.63/298,454.60
  6. Step 6: Final answer
    x = 148,064.18

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1.5x scale

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.