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Finding the Fourth Proportional to 577,802.34, 866,533.98 and 217,713.39

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Solution

The fourth proportional to 577,802.34, 866,533.98 and 217,713.39 is: 326,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,802.34 : 866,533.98 = 217,713.39 : x
  2. Step 2: Convert to fraction form
    577,802.34/866,533.98 = 217,713.39/x
  3. Step 3: Cross multiply
    577,802.34x = 866,533.98 × 217,713.39
  4. Step 4: Simplify right side
    577,802.34x = 188,656,050,335.99
  5. Step 5: Solve for x
    x = 188,656,050,335.99/577,802.34
  6. Step 6: Final answer
    x = 326,506.21

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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.