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Finding the Fourth Proportional to 645,038.01, 967,593.93 and 195,773.54

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Solution

The fourth proportional to 645,038.01, 967,593.93 and 195,773.54 is: 293,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,038.01 : 967,593.93 = 195,773.54 : x
  2. Step 2: Convert to fraction form
    645,038.01/967,593.93 = 195,773.54/x
  3. Step 3: Cross multiply
    645,038.01x = 967,593.93 × 195,773.54
  4. Step 4: Simplify right side
    645,038.01x = 189,429,284,120.64
  5. Step 5: Solve for x
    x = 189,429,284,120.64/645,038.01
  6. Step 6: Final answer
    x = 293,671.51

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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.