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Finding the Fourth Proportional to 415,423.01, 622,884.93 and 162,402.14

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Solution

The fourth proportional to 415,423.01, 622,884.93 and 162,402.14 is: 243,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,423.01 : 622,884.93 = 162,402.14 : x
  2. Step 2: Convert to fraction form
    415,423.01/622,884.93 = 162,402.14/x
  3. Step 3: Cross multiply
    415,423.01x = 622,884.93 × 162,402.14
  4. Step 4: Simplify right side
    415,423.01x = 101,157,842,491.33
  5. Step 5: Solve for x
    x = 101,157,842,491.33/415,423.01
  6. Step 6: Final answer
    x = 243,505.63

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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.