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Finding the Fourth Proportional to 620,032.32, 930,053.48 and 170,777.97

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Solution

The fourth proportional to 620,032.32, 930,053.48 and 170,777.97 is: 256,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,032.32 : 930,053.48 = 170,777.97 : x
  2. Step 2: Convert to fraction form
    620,032.32/930,053.48 = 170,777.97/x
  3. Step 3: Cross multiply
    620,032.32x = 930,053.48 × 170,777.97
  4. Step 4: Simplify right side
    620,032.32x = 158,832,644,451.95
  5. Step 5: Solve for x
    x = 158,832,644,451.95/620,032.32
  6. Step 6: Final answer
    x = 256,168.33

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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.