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Finding the Fourth Proportional to 369,090.58, 553,583.28 and 116,338.20

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Solution

The fourth proportional to 369,090.58, 553,583.28 and 116,338.20 is: 174,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,090.58 : 553,583.28 = 116,338.20 : x
  2. Step 2: Convert to fraction form
    369,090.58/553,583.28 = 116,338.20/x
  3. Step 3: Cross multiply
    369,090.58x = 553,583.28 × 116,338.20
  4. Step 4: Simplify right side
    369,090.58x = 64,402,882,781.56
  5. Step 5: Solve for x
    x = 64,402,882,781.56/369,090.58
  6. Step 6: Final answer
    x = 174,490.73

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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.