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Finding the Fourth Proportional to 519,443.04, 716,841.36 and 293,093.76

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Solution

The fourth proportional to 519,443.04, 716,841.36 and 293,093.76 is: 404,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,443.04 : 716,841.36 = 293,093.76 : x
  2. Step 2: Convert to fraction form
    519,443.04/716,841.36 = 293,093.76/x
  3. Step 3: Cross multiply
    519,443.04x = 716,841.36 × 293,093.76
  4. Step 4: Simplify right side
    519,443.04x = 210,101,729,525.91
  5. Step 5: Solve for x
    x = 210,101,729,525.91/519,443.04
  6. Step 6: Final answer
    x = 404,475.01

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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.