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Finding the Fourth Proportional to 346,037.90, 518,072.70 and 346,037.90

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Solution

The fourth proportional to 346,037.90, 518,072.70 and 346,037.90 is: 518,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,037.90 : 518,072.70 = 346,037.90 : x
  2. Step 2: Convert to fraction form
    346,037.90/518,072.70 = 346,037.90/x
  3. Step 3: Cross multiply
    346,037.90x = 518,072.70 × 346,037.90
  4. Step 4: Simplify right side
    346,037.90x = 179,272,789,155.33
  5. Step 5: Solve for x
    x = 179,272,789,155.33/346,037.90
  6. Step 6: Final answer
    x = 518,072.70

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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.