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Finding the Fourth Proportional to 537,653.48, 806,482.32 and 217,811.39

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Solution

The fourth proportional to 537,653.48, 806,482.32 and 217,811.39 is: 326,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,653.48 : 806,482.32 = 217,811.39 : x
  2. Step 2: Convert to fraction form
    537,653.48/806,482.32 = 217,811.39/x
  3. Step 3: Cross multiply
    537,653.48x = 806,482.32 × 217,811.39
  4. Step 4: Simplify right side
    537,653.48x = 175,661,031,097.21
  5. Step 5: Solve for x
    x = 175,661,031,097.21/537,653.48
  6. Step 6: Final answer
    x = 326,717.93

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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.