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Finding the Fourth Proportional to 543,742.95, 750,574.52 and 362,388.71

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Solution

The fourth proportional to 543,742.95, 750,574.52 and 362,388.71 is: 500,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,742.95 : 750,574.52 = 362,388.71 : x
  2. Step 2: Convert to fraction form
    543,742.95/750,574.52 = 362,388.71/x
  3. Step 3: Cross multiply
    543,742.95x = 750,574.52 × 362,388.71
  4. Step 4: Simplify right side
    543,742.95x = 271,999,726,496.85
  5. Step 5: Solve for x
    x = 271,999,726,496.85/543,742.95
  6. Step 6: Final answer
    x = 500,235.87

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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.