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Finding the Fourth Proportional to 356,436.11, 534,541.14 and 116,495.75

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Solution

The fourth proportional to 356,436.11, 534,541.14 and 116,495.75 is: 174,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,436.11 : 534,541.14 = 116,495.75 : x
  2. Step 2: Convert to fraction form
    356,436.11/534,541.14 = 116,495.75/x
  3. Step 3: Cross multiply
    356,436.11x = 534,541.14 × 116,495.75
  4. Step 4: Simplify right side
    356,436.11x = 62,271,772,346.51
  5. Step 5: Solve for x
    x = 62,271,772,346.51/356,436.11
  6. Step 6: Final answer
    x = 174,706.69

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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.