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Finding the Fourth Proportional to 303,362.58, 455,102.40 and 116,359.50

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Solution

The fourth proportional to 303,362.58, 455,102.40 and 116,359.50 is: 174,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,362.58 : 455,102.40 = 116,359.50 : x
  2. Step 2: Convert to fraction form
    303,362.58/455,102.40 = 116,359.50/x
  3. Step 3: Cross multiply
    303,362.58x = 455,102.40 × 116,359.50
  4. Step 4: Simplify right side
    303,362.58x = 52,955,487,712.80
  5. Step 5: Solve for x
    x = 52,955,487,712.80/303,362.58
  6. Step 6: Final answer
    x = 174,561.70

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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.