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Finding the Fourth Proportional to 645,039.01, 967,595.43 and 195,774.54

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Solution

The fourth proportional to 645,039.01, 967,595.43 and 195,774.54 is: 293,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,039.01 : 967,595.43 = 195,774.54 : x
  2. Step 2: Convert to fraction form
    645,039.01/967,595.43 = 195,774.54/x
  3. Step 3: Cross multiply
    645,039.01x = 967,595.43 × 195,774.54
  4. Step 4: Simplify right side
    645,039.01x = 189,430,550,214.35
  5. Step 5: Solve for x
    x = 189,430,550,214.35/645,039.01
  6. Step 6: Final answer
    x = 293,673.01

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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.