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Finding the Fourth Proportional to 548,432.61, 822,667.13 and 188,599.93

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Solution

The fourth proportional to 548,432.61, 822,667.13 and 188,599.93 is: 282,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,432.61 : 822,667.13 = 188,599.93 : x
  2. Step 2: Convert to fraction form
    548,432.61/822,667.13 = 188,599.93/x
  3. Step 3: Cross multiply
    548,432.61x = 822,667.13 × 188,599.93
  4. Step 4: Simplify right side
    548,432.61x = 155,154,963,216.64
  5. Step 5: Solve for x
    x = 155,154,963,216.64/548,432.61
  6. Step 6: Final answer
    x = 282,906.16

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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.