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Finding the Fourth Proportional to 609,966.64, 841,756.08 and 338,039.08

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Solution

The fourth proportional to 609,966.64, 841,756.08 and 338,039.08 is: 466,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,966.64 : 841,756.08 = 338,039.08 : x
  2. Step 2: Convert to fraction form
    609,966.64/841,756.08 = 338,039.08/x
  3. Step 3: Cross multiply
    609,966.64x = 841,756.08 × 338,039.08
  4. Step 4: Simplify right side
    609,966.64x = 284,546,450,867.61
  5. Step 5: Solve for x
    x = 284,546,450,867.61/609,966.64
  6. Step 6: Final answer
    x = 466,495.10

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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.