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Finding the Fourth Proportional to 516,213.24, 774,518.52 and 249,953.28

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Solution

The fourth proportional to 516,213.24, 774,518.52 and 249,953.28 is: 375,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,213.24 : 774,518.52 = 249,953.28 : x
  2. Step 2: Convert to fraction form
    516,213.24/774,518.52 = 249,953.28/x
  3. Step 3: Cross multiply
    516,213.24x = 774,518.52 × 249,953.28
  4. Step 4: Simplify right side
    516,213.24x = 193,593,444,494.75
  5. Step 5: Solve for x
    x = 193,593,444,494.75/516,213.24
  6. Step 6: Final answer
    x = 375,026.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.