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Finding the Fourth Proportional to 303,530.76, 455,156.01 and 177,208.02

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Solution

The fourth proportional to 303,530.76, 455,156.01 and 177,208.02 is: 265,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,530.76 : 455,156.01 = 177,208.02 : x
  2. Step 2: Convert to fraction form
    303,530.76/455,156.01 = 177,208.02/x
  3. Step 3: Cross multiply
    303,530.76x = 455,156.01 × 177,208.02
  4. Step 4: Simplify right side
    303,530.76x = 80,657,295,323.20
  5. Step 5: Solve for x
    x = 80,657,295,323.20/303,530.76
  6. Step 6: Final answer
    x = 265,730.22

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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.