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Finding the Fourth Proportional to 350,902.88, 484,300.48 and 230,393.76

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Solution

The fourth proportional to 350,902.88, 484,300.48 and 230,393.76 is: 317,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,902.88 : 484,300.48 = 230,393.76 : x
  2. Step 2: Convert to fraction form
    350,902.88/484,300.48 = 230,393.76/x
  3. Step 3: Cross multiply
    350,902.88x = 484,300.48 × 230,393.76
  4. Step 4: Simplify right side
    350,902.88x = 111,579,808,557.01
  5. Step 5: Solve for x
    x = 111,579,808,557.01/350,902.88
  6. Step 6: Final answer
    x = 317,979.18

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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.