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Finding the Fourth Proportional to 340,046.19, 510,050.79 and 103,370.40

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Solution

The fourth proportional to 340,046.19, 510,050.79 and 103,370.40 is: 155,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,046.19 : 510,050.79 = 103,370.40 : x
  2. Step 2: Convert to fraction form
    340,046.19/510,050.79 = 103,370.40/x
  3. Step 3: Cross multiply
    340,046.19x = 510,050.79 × 103,370.40
  4. Step 4: Simplify right side
    340,046.19x = 52,724,154,182.62
  5. Step 5: Solve for x
    x = 52,724,154,182.62/340,046.19
  6. Step 6: Final answer
    x = 155,049.98

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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.