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Finding the Fourth Proportional to 607,946.52, 911,919.80 and 164,714.52

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Solution

The fourth proportional to 607,946.52, 911,919.80 and 164,714.52 is: 247,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,946.52 : 911,919.80 = 164,714.52 : x
  2. Step 2: Convert to fraction form
    607,946.52/911,919.80 = 164,714.52/x
  3. Step 3: Cross multiply
    607,946.52x = 911,919.80 × 164,714.52
  4. Step 4: Simplify right side
    607,946.52x = 150,206,432,135.50
  5. Step 5: Solve for x
    x = 150,206,432,135.50/607,946.52
  6. Step 6: Final answer
    x = 247,071.79

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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.