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Finding the Fourth Proportional to 534,867.40, 802,106.70 and 268,539.40

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Solution

The fourth proportional to 534,867.40, 802,106.70 and 268,539.40 is: 402,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,867.40 : 802,106.70 = 268,539.40 : x
  2. Step 2: Convert to fraction form
    534,867.40/802,106.70 = 268,539.40/x
  3. Step 3: Cross multiply
    534,867.40x = 802,106.70 × 268,539.40
  4. Step 4: Simplify right side
    534,867.40x = 215,397,251,953.98
  5. Step 5: Solve for x
    x = 215,397,251,953.98/534,867.40
  6. Step 6: Final answer
    x = 402,711.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.