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Finding the Fourth Proportional to 468,873.41, 647,041.72 and 254,011.93

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Solution

The fourth proportional to 468,873.41, 647,041.72 and 254,011.93 is: 350,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,873.41 : 647,041.72 = 254,011.93 : x
  2. Step 2: Convert to fraction form
    468,873.41/647,041.72 = 254,011.93/x
  3. Step 3: Cross multiply
    468,873.41x = 647,041.72 × 254,011.93
  4. Step 4: Simplify right side
    468,873.41x = 164,356,316,087.72
  5. Step 5: Solve for x
    x = 164,356,316,087.72/468,873.41
  6. Step 6: Final answer
    x = 350,534.52

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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.