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Finding the Fourth Proportional to 335,200.80, 502,801.20 and 307,644.60

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Solution

The fourth proportional to 335,200.80, 502,801.20 and 307,644.60 is: 461,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,200.80 : 502,801.20 = 307,644.60 : x
  2. Step 2: Convert to fraction form
    335,200.80/502,801.20 = 307,644.60/x
  3. Step 3: Cross multiply
    335,200.80x = 502,801.20 × 307,644.60
  4. Step 4: Simplify right side
    335,200.80x = 154,684,074,053.52
  5. Step 5: Solve for x
    x = 154,684,074,053.52/335,200.80
  6. Step 6: Final answer
    x = 461,466.90

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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.