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Finding the Fourth Proportional to 654,557.56, 903,301.70 and 382,648.68

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Solution

The fourth proportional to 654,557.56, 903,301.70 and 382,648.68 is: 528,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,557.56 : 903,301.70 = 382,648.68 : x
  2. Step 2: Convert to fraction form
    654,557.56/903,301.70 = 382,648.68/x
  3. Step 3: Cross multiply
    654,557.56x = 903,301.70 × 382,648.68
  4. Step 4: Simplify right side
    654,557.56x = 345,647,203,146.76
  5. Step 5: Solve for x
    x = 345,647,203,146.76/654,557.56
  6. Step 6: Final answer
    x = 528,062.35

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Double scale
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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.