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Finding the Fourth Proportional to 346,480.14, 519,720.14 and 130,379.48

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Solution

The fourth proportional to 346,480.14, 519,720.14 and 130,379.48 is: 195,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,480.14 : 519,720.14 = 130,379.48 : x
  2. Step 2: Convert to fraction form
    346,480.14/519,720.14 = 130,379.48/x
  3. Step 3: Cross multiply
    346,480.14x = 519,720.14 × 130,379.48
  4. Step 4: Simplify right side
    346,480.14x = 67,760,841,598.73
  5. Step 5: Solve for x
    x = 67,760,841,598.73/346,480.14
  6. Step 6: Final answer
    x = 195,569.19

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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.