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Finding the Fourth Proportional to 638,496.82, 957,745.22 and 606,569.36

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Solution

The fourth proportional to 638,496.82, 957,745.22 and 606,569.36 is: 909,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,496.82 : 957,745.22 = 606,569.36 : x
  2. Step 2: Convert to fraction form
    638,496.82/957,745.22 = 606,569.36/x
  3. Step 3: Cross multiply
    638,496.82x = 957,745.22 × 606,569.36
  4. Step 4: Simplify right side
    638,496.82x = 580,938,905,138.46
  5. Step 5: Solve for x
    x = 580,938,905,138.46/638,496.82
  6. Step 6: Final answer
    x = 909,854.03

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Double scale
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Similar ratio
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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.