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Finding the Fourth Proportional to 336,820.80, 502,765.08 and 296,963.76

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Solution

The fourth proportional to 336,820.80, 502,765.08 and 296,963.76 is: 443,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,820.80 : 502,765.08 = 296,963.76 : x
  2. Step 2: Convert to fraction form
    336,820.80/502,765.08 = 296,963.76/x
  3. Step 3: Cross multiply
    336,820.80x = 502,765.08 × 296,963.76
  4. Step 4: Simplify right side
    336,820.80x = 149,303,008,553.50
  5. Step 5: Solve for x
    x = 149,303,008,553.50/336,820.80
  6. Step 6: Final answer
    x = 443,271.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.