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Finding the Fourth Proportional to 613,316.28, 919,909.60 and 164,082.48

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Solution

The fourth proportional to 613,316.28, 919,909.60 and 164,082.48 is: 246,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,316.28 : 919,909.60 = 164,082.48 : x
  2. Step 2: Convert to fraction form
    613,316.28/919,909.60 = 164,082.48/x
  3. Step 3: Cross multiply
    613,316.28x = 919,909.60 × 164,082.48
  4. Step 4: Simplify right side
    613,316.28x = 150,941,048,543.81
  5. Step 5: Solve for x
    x = 150,941,048,543.81/613,316.28
  6. Step 6: Final answer
    x = 246,106.38

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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.