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Finding the Fourth Proportional to 537,655.61, 806,482.42 and 158,842.44

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Solution

The fourth proportional to 537,655.61, 806,482.42 and 158,842.44 is: 238,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,655.61 : 806,482.42 = 158,842.44 : x
  2. Step 2: Convert to fraction form
    537,655.61/806,482.42 = 158,842.44/x
  3. Step 3: Cross multiply
    537,655.61x = 806,482.42 × 158,842.44
  4. Step 4: Simplify right side
    537,655.61x = 128,103,632,568.42
  5. Step 5: Solve for x
    x = 128,103,632,568.42/537,655.61
  6. Step 6: Final answer
    x = 238,263.36

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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.