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Finding the Fourth Proportional to 662,705, 994,057.52 and 164,069

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Solution

The fourth proportional to 662,705, 994,057.52 and 164,069 is: 246,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,705 : 994,057.52 = 164,069 : x
  2. Step 2: Convert to fraction form
    662,705/994,057.52 = 164,069/x
  3. Step 3: Cross multiply
    662,705x = 994,057.52 × 164,069
  4. Step 4: Simplify right side
    662,705x = 163,094,023,248.88
  5. Step 5: Solve for x
    x = 163,094,023,248.88/662,705
  6. Step 6: Final answer
    x = 246,103.50

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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.