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Finding the Fourth Proportional to 536,167.96, 739,726.78 and 342,688.94

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Solution

The fourth proportional to 536,167.96, 739,726.78 and 342,688.94 is: 472,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,167.96 : 739,726.78 = 342,688.94 : x
  2. Step 2: Convert to fraction form
    536,167.96/739,726.78 = 342,688.94/x
  3. Step 3: Cross multiply
    536,167.96x = 739,726.78 × 342,688.94
  4. Step 4: Simplify right side
    536,167.96x = 253,496,186,127.81
  5. Step 5: Solve for x
    x = 253,496,186,127.81/536,167.96
  6. Step 6: Final answer
    x = 472,792.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.