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Finding the Fourth Proportional to 654,091.56, 902,893.06 and 382,248.04

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Solution

The fourth proportional to 654,091.56, 902,893.06 and 382,248.04 is: 527,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,091.56 : 902,893.06 = 382,248.04 : x
  2. Step 2: Convert to fraction form
    654,091.56/902,893.06 = 382,248.04/x
  3. Step 3: Cross multiply
    654,091.56x = 902,893.06 × 382,248.04
  4. Step 4: Simplify right side
    654,091.56x = 345,129,102,514.60
  5. Step 5: Solve for x
    x = 345,129,102,514.60/654,091.56
  6. Step 6: Final answer
    x = 527,646.47

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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.