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Finding the Fourth Proportional to 577,970.90, 867,030.16 and 223,086.41

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Solution

The fourth proportional to 577,970.90, 867,030.16 and 223,086.41 is: 334,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,970.90 : 867,030.16 = 223,086.41 : x
  2. Step 2: Convert to fraction form
    577,970.90/867,030.16 = 223,086.41/x
  3. Step 3: Cross multiply
    577,970.90x = 867,030.16 × 223,086.41
  4. Step 4: Simplify right side
    577,970.90x = 193,422,640,863.26
  5. Step 5: Solve for x
    x = 193,422,640,863.26/577,970.90
  6. Step 6: Final answer
    x = 334,658.10

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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.