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Finding the Fourth Proportional to 609,963.18, 841,807.80 and 338,089.92

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Solution

The fourth proportional to 609,963.18, 841,807.80 and 338,089.92 is: 466,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,963.18 : 841,807.80 = 338,089.92 : x
  2. Step 2: Convert to fraction form
    609,963.18/841,807.80 = 338,089.92/x
  3. Step 3: Cross multiply
    609,963.18x = 841,807.80 × 338,089.92
  4. Step 4: Simplify right side
    609,963.18x = 284,606,731,757.38
  5. Step 5: Solve for x
    x = 284,606,731,757.38/609,963.18
  6. Step 6: Final answer
    x = 466,596.58

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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.