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Finding the Fourth Proportional to 344,037.30, 515,019.15 and 302,565.30

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Solution

The fourth proportional to 344,037.30, 515,019.15 and 302,565.30 is: 452,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,037.30 : 515,019.15 = 302,565.30 : x
  2. Step 2: Convert to fraction form
    344,037.30/515,019.15 = 302,565.30/x
  3. Step 3: Cross multiply
    344,037.30x = 515,019.15 × 302,565.30
  4. Step 4: Simplify right side
    344,037.30x = 155,826,923,625.50
  5. Step 5: Solve for x
    x = 155,826,923,625.50/344,037.30
  6. Step 6: Final answer
    x = 452,936.13

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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.