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Finding the Fourth Proportional to 365,769.38, 548,887.36 and 155,407.38

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Solution

The fourth proportional to 365,769.38, 548,887.36 and 155,407.38 is: 233,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,769.38 : 548,887.36 = 155,407.38 : x
  2. Step 2: Convert to fraction form
    365,769.38/548,887.36 = 155,407.38/x
  3. Step 3: Cross multiply
    365,769.38x = 548,887.36 × 155,407.38
  4. Step 4: Simplify right side
    365,769.38x = 85,301,146,532.72
  5. Step 5: Solve for x
    x = 85,301,146,532.72/365,769.38
  6. Step 6: Final answer
    x = 233,210.19

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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.