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Finding the Fourth Proportional to 346,508.38, 519,969.93 and 149,516.38

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Solution

The fourth proportional to 346,508.38, 519,969.93 and 149,516.38 is: 224,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,508.38 : 519,969.93 = 149,516.38 : x
  2. Step 2: Convert to fraction form
    346,508.38/519,969.93 = 149,516.38/x
  3. Step 3: Cross multiply
    346,508.38x = 519,969.93 × 149,516.38
  4. Step 4: Simplify right side
    346,508.38x = 77,744,018,295.02
  5. Step 5: Solve for x
    x = 77,744,018,295.02/346,508.38
  6. Step 6: Final answer
    x = 224,364.04

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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.