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Finding the Fourth Proportional to 609,937.64, 841,718.66 and 338,009.95

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Solution

The fourth proportional to 609,937.64, 841,718.66 and 338,009.95 is: 466,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,937.64 : 841,718.66 = 338,009.95 : x
  2. Step 2: Convert to fraction form
    609,937.64/841,718.66 = 338,009.95/x
  3. Step 3: Cross multiply
    609,937.64x = 841,718.66 × 338,009.95
  4. Step 4: Simplify right side
    609,937.64x = 284,509,276,808.10
  5. Step 5: Solve for x
    x = 284,509,276,808.10/609,937.64
  6. Step 6: Final answer
    x = 466,456.33

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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.