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Finding the Fourth Proportional to 475,800.04, 656,655.60 and 303,875.92

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Solution

The fourth proportional to 475,800.04, 656,655.60 and 303,875.92 is: 419,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,800.04 : 656,655.60 = 303,875.92 : x
  2. Step 2: Convert to fraction form
    475,800.04/656,655.60 = 303,875.92/x
  3. Step 3: Cross multiply
    475,800.04x = 656,655.60 × 303,875.92
  4. Step 4: Simplify right side
    475,800.04x = 199,541,824,573.15
  5. Step 5: Solve for x
    x = 199,541,824,573.15/475,800.04
  6. Step 6: Final answer
    x = 419,381.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.