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Finding the Fourth Proportional to 350,720.76, 484,024.14 and 214,754.04

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Solution

The fourth proportional to 350,720.76, 484,024.14 and 214,754.04 is: 296,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,720.76 : 484,024.14 = 214,754.04 : x
  2. Step 2: Convert to fraction form
    350,720.76/484,024.14 = 214,754.04/x
  3. Step 3: Cross multiply
    350,720.76x = 484,024.14 × 214,754.04
  4. Step 4: Simplify right side
    350,720.76x = 103,946,139,522.53
  5. Step 5: Solve for x
    x = 103,946,139,522.53/350,720.76
  6. Step 6: Final answer
    x = 296,378.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.