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Finding the Fourth Proportional to 440,641, 608,084.58 and 239,437

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Solution

The fourth proportional to 440,641, 608,084.58 and 239,437 is: 330,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,641 : 608,084.58 = 239,437 : x
  2. Step 2: Convert to fraction form
    440,641/608,084.58 = 239,437/x
  3. Step 3: Cross multiply
    440,641x = 608,084.58 × 239,437
  4. Step 4: Simplify right side
    440,641x = 145,597,947,581.46
  5. Step 5: Solve for x
    x = 145,597,947,581.46/440,641
  6. Step 6: Final answer
    x = 330,423.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.