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Finding the Fourth Proportional to 577,752.48, 866,452.14 and 203,688

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Solution

The fourth proportional to 577,752.48, 866,452.14 and 203,688 is: 305,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,752.48 : 866,452.14 = 203,688 : x
  2. Step 2: Convert to fraction form
    577,752.48/866,452.14 = 203,688/x
  3. Step 3: Cross multiply
    577,752.48x = 866,452.14 × 203,688
  4. Step 4: Simplify right side
    577,752.48x = 176,485,903,492.32
  5. Step 5: Solve for x
    x = 176,485,903,492.32/577,752.48
  6. Step 6: Final answer
    x = 305,469.75

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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.