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Finding the Fourth Proportional to 494,877.15, 742,688.91 and 362,099.97

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Solution

The fourth proportional to 494,877.15, 742,688.91 and 362,099.97 is: 543,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,877.15 : 742,688.91 = 362,099.97 : x
  2. Step 2: Convert to fraction form
    494,877.15/742,688.91 = 362,099.97/x
  3. Step 3: Cross multiply
    494,877.15x = 742,688.91 × 362,099.97
  4. Step 4: Simplify right side
    494,877.15x = 268,927,632,030.33
  5. Step 5: Solve for x
    x = 268,927,632,030.33/494,877.15
  6. Step 6: Final answer
    x = 543,423.01

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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.