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Finding the Fourth Proportional to 607,120.70, 910,514.80 and 228,012.11

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Solution

The fourth proportional to 607,120.70, 910,514.80 and 228,012.11 is: 341,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,120.70 : 910,514.80 = 228,012.11 : x
  2. Step 2: Convert to fraction form
    607,120.70/910,514.80 = 228,012.11/x
  3. Step 3: Cross multiply
    607,120.70x = 910,514.80 × 228,012.11
  4. Step 4: Simplify right side
    607,120.70x = 207,608,400,734.23
  5. Step 5: Solve for x
    x = 207,608,400,734.23/607,120.70
  6. Step 6: Final answer
    x = 341,955.73

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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.