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Finding the Fourth Proportional to 537,853.60, 806,002.80 and 238,088.80

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Solution

The fourth proportional to 537,853.60, 806,002.80 and 238,088.80 is: 356,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,853.60 : 806,002.80 = 238,088.80 : x
  2. Step 2: Convert to fraction form
    537,853.60/806,002.80 = 238,088.80/x
  3. Step 3: Cross multiply
    537,853.60x = 806,002.80 × 238,088.80
  4. Step 4: Simplify right side
    537,853.60x = 191,900,239,448.64
  5. Step 5: Solve for x
    x = 191,900,239,448.64/537,853.60
  6. Step 6: Final answer
    x = 356,788.98

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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.