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Finding the Fourth Proportional to 516,350.59, 774,829.02 and 216,808.13

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Solution

The fourth proportional to 516,350.59, 774,829.02 and 216,808.13 is: 325,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,350.59 : 774,829.02 = 216,808.13 : x
  2. Step 2: Convert to fraction form
    516,350.59/774,829.02 = 216,808.13/x
  3. Step 3: Cross multiply
    516,350.59x = 774,829.02 × 216,808.13
  4. Step 4: Simplify right side
    516,350.59x = 167,989,230,895.93
  5. Step 5: Solve for x
    x = 167,989,230,895.93/516,350.59
  6. Step 6: Final answer
    x = 325,339.48

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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.