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Finding the Fourth Proportional to 340,417.49, 510,593.42 and 103,762.22

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Solution

The fourth proportional to 340,417.49, 510,593.42 and 103,762.22 is: 155,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,417.49 : 510,593.42 = 103,762.22 : x
  2. Step 2: Convert to fraction form
    340,417.49/510,593.42 = 103,762.22/x
  3. Step 3: Cross multiply
    340,417.49x = 510,593.42 × 103,762.22
  4. Step 4: Simplify right side
    340,417.49x = 52,980,304,483.03
  5. Step 5: Solve for x
    x = 52,980,304,483.03/340,417.49
  6. Step 6: Final answer
    x = 155,633.32

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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.