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Finding the Fourth Proportional to 657,133.44, 906,886.47 and 370,647.37

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Solution

The fourth proportional to 657,133.44, 906,886.47 and 370,647.37 is: 511,517.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,133.44 : 906,886.47 = 370,647.37 : x
  2. Step 2: Convert to fraction form
    657,133.44/906,886.47 = 370,647.37/x
  3. Step 3: Cross multiply
    657,133.44x = 906,886.47 × 370,647.37
  4. Step 4: Simplify right side
    657,133.44x = 336,135,084,994.08
  5. Step 5: Solve for x
    x = 336,135,084,994.08/657,133.44
  6. Step 6: Final answer
    x = 511,517.24

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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.