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Finding the Fourth Proportional to 335,236.68, 499,696.98 and 308,332.47

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Solution

The fourth proportional to 335,236.68, 499,696.98 and 308,332.47 is: 459,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,236.68 : 499,696.98 = 308,332.47 : x
  2. Step 2: Convert to fraction form
    335,236.68/499,696.98 = 308,332.47/x
  3. Step 3: Cross multiply
    335,236.68x = 499,696.98 × 308,332.47
  4. Step 4: Simplify right side
    335,236.68x = 154,072,804,094.94
  5. Step 5: Solve for x
    x = 154,072,804,094.94/335,236.68
  6. Step 6: Final answer
    x = 459,594.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.