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Finding the Fourth Proportional to 657,028.50, 906,730.08 and 370,542.48

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Solution

The fourth proportional to 657,028.50, 906,730.08 and 370,542.48 is: 511,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,028.50 : 906,730.08 = 370,542.48 : x
  2. Step 2: Convert to fraction form
    657,028.50/906,730.08 = 370,542.48/x
  3. Step 3: Cross multiply
    657,028.50x = 906,730.08 × 370,542.48
  4. Step 4: Simplify right side
    657,028.50x = 335,982,012,533.80
  5. Step 5: Solve for x
    x = 335,982,012,533.80/657,028.50
  6. Step 6: Final answer
    x = 511,365.96

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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.