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Finding the Fourth Proportional to 432,247.77, 648,402.80 and 166,008.29

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Solution

The fourth proportional to 432,247.77, 648,402.80 and 166,008.29 is: 249,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,247.77 : 648,402.80 = 166,008.29 : x
  2. Step 2: Convert to fraction form
    432,247.77/648,402.80 = 166,008.29/x
  3. Step 3: Cross multiply
    432,247.77x = 648,402.80 × 166,008.29
  4. Step 4: Simplify right side
    432,247.77x = 107,640,239,144.95
  5. Step 5: Solve for x
    x = 107,640,239,144.95/432,247.77
  6. Step 6: Final answer
    x = 249,024.39

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1.5x scale

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.