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Finding the Fourth Proportional to 369,730.64, 510,228.26 and 199,964.76

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Solution

The fourth proportional to 369,730.64, 510,228.26 and 199,964.76 is: 275,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,730.64 : 510,228.26 = 199,964.76 : x
  2. Step 2: Convert to fraction form
    369,730.64/510,228.26 = 199,964.76/x
  3. Step 3: Cross multiply
    369,730.64x = 510,228.26 × 199,964.76
  4. Step 4: Simplify right side
    369,730.64x = 102,027,671,556.12
  5. Step 5: Solve for x
    x = 102,027,671,556.12/369,730.64
  6. Step 6: Final answer
    x = 275,951.36

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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.