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Finding the Fourth Proportional to 492,176.72, 737,774.54 and 207,938.81

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Solution

The fourth proportional to 492,176.72, 737,774.54 and 207,938.81 is: 311,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,176.72 : 737,774.54 = 207,938.81 : x
  2. Step 2: Convert to fraction form
    492,176.72/737,774.54 = 207,938.81/x
  3. Step 3: Cross multiply
    492,176.72x = 737,774.54 × 207,938.81
  4. Step 4: Simplify right side
    492,176.72x = 153,411,955,167.33
  5. Step 5: Solve for x
    x = 153,411,955,167.33/492,176.72
  6. Step 6: Final answer
    x = 311,700.96

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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.