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Finding the Fourth Proportional to 537,470.60, 805,428.30 and 237,705.80

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Solution

The fourth proportional to 537,470.60, 805,428.30 and 237,705.80 is: 356,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,470.60 : 805,428.30 = 237,705.80 : x
  2. Step 2: Convert to fraction form
    537,470.60/805,428.30 = 237,705.80/x
  3. Step 3: Cross multiply
    537,470.60x = 805,428.30 × 237,705.80
  4. Step 4: Simplify right side
    537,470.60x = 191,454,978,394.14
  5. Step 5: Solve for x
    x = 191,454,978,394.14/537,470.60
  6. Step 6: Final answer
    x = 356,214.79

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Why These Related Problems?

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