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Finding the Fourth Proportional to 340,147.42, 510,294.94 and 103,483.95

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Solution

The fourth proportional to 340,147.42, 510,294.94 and 103,483.95 is: 155,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,147.42 : 510,294.94 = 103,483.95 : x
  2. Step 2: Convert to fraction form
    340,147.42/510,294.94 = 103,483.95/x
  3. Step 3: Cross multiply
    340,147.42x = 510,294.94 × 103,483.95
  4. Step 4: Simplify right side
    340,147.42x = 52,807,333,246.03
  5. Step 5: Solve for x
    x = 52,807,333,246.03/340,147.42
  6. Step 6: Final answer
    x = 155,248.37

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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.