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Finding the Fourth Proportional to 713,218.71, 984,342.61 and 441,374.07

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Solution

The fourth proportional to 713,218.71, 984,342.61 and 441,374.07 is: 609,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,218.71 : 984,342.61 = 441,374.07 : x
  2. Step 2: Convert to fraction form
    713,218.71/984,342.61 = 441,374.07/x
  3. Step 3: Cross multiply
    713,218.71x = 984,342.61 × 441,374.07
  4. Step 4: Simplify right side
    713,218.71x = 434,463,304,050.12
  5. Step 5: Solve for x
    x = 434,463,304,050.12/713,218.71
  6. Step 6: Final answer
    x = 609,158.59

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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.