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Finding the Fourth Proportional to 350,719.76, 484,022.76 and 214,753.04

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Solution

The fourth proportional to 350,719.76, 484,022.76 and 214,753.04 is: 296,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,719.76 : 484,022.76 = 214,753.04 : x
  2. Step 2: Convert to fraction form
    350,719.76/484,022.76 = 214,753.04/x
  3. Step 3: Cross multiply
    350,719.76x = 484,022.76 × 214,753.04
  4. Step 4: Simplify right side
    350,719.76x = 103,945,359,139.19
  5. Step 5: Solve for x
    x = 103,945,359,139.19/350,719.76
  6. Step 6: Final answer
    x = 296,377.25

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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.