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Finding the Fourth Proportional to 501,908.20, 692,328.96 and 297,824.62

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Solution

The fourth proportional to 501,908.20, 692,328.96 and 297,824.62 is: 410,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,908.20 : 692,328.96 = 297,824.62 : x
  2. Step 2: Convert to fraction form
    501,908.20/692,328.96 = 297,824.62/x
  3. Step 3: Cross multiply
    501,908.20x = 692,328.96 × 297,824.62
  4. Step 4: Simplify right side
    501,908.20x = 206,192,609,427.00
  5. Step 5: Solve for x
    x = 206,192,609,427.00/501,908.20
  6. Step 6: Final answer
    x = 410,817.38

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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.