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Finding the Fourth Proportional to 673,516.35, 929,571.12 and 401,600.97

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Solution

The fourth proportional to 673,516.35, 929,571.12 and 401,600.97 is: 554,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,516.35 : 929,571.12 = 401,600.97 : x
  2. Step 2: Convert to fraction form
    673,516.35/929,571.12 = 401,600.97/x
  3. Step 3: Cross multiply
    673,516.35x = 929,571.12 × 401,600.97
  4. Step 4: Simplify right side
    673,516.35x = 373,316,663,475.99
  5. Step 5: Solve for x
    x = 373,316,663,475.99/673,516.35
  6. Step 6: Final answer
    x = 554,280.03

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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.