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Finding the Fourth Proportional to 494,402.80, 740,437.80 and 335,772.40

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Solution

The fourth proportional to 494,402.80, 740,437.80 and 335,772.40 is: 502,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,402.80 : 740,437.80 = 335,772.40 : x
  2. Step 2: Convert to fraction form
    494,402.80/740,437.80 = 335,772.40/x
  3. Step 3: Cross multiply
    494,402.80x = 740,437.80 × 335,772.40
  4. Step 4: Simplify right side
    494,402.80x = 248,618,577,156.72
  5. Step 5: Solve for x
    x = 248,618,577,156.72/494,402.80
  6. Step 6: Final answer
    x = 502,866.44

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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.