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Finding the Fourth Proportional to 413,932.70, 620,899.05 and 335,200.70

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Solution

The fourth proportional to 413,932.70, 620,899.05 and 335,200.70 is: 502,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,932.70 : 620,899.05 = 335,200.70 : x
  2. Step 2: Convert to fraction form
    413,932.70/620,899.05 = 335,200.70/x
  3. Step 3: Cross multiply
    413,932.70x = 620,899.05 × 335,200.70
  4. Step 4: Simplify right side
    413,932.70x = 208,125,796,189.34
  5. Step 5: Solve for x
    x = 208,125,796,189.34/413,932.70
  6. Step 6: Final answer
    x = 502,801.05

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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.