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Finding the Fourth Proportional to 275,353.40, 413,030.10 and 149,382.20

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Solution

The fourth proportional to 275,353.40, 413,030.10 and 149,382.20 is: 224,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,353.40 : 413,030.10 = 149,382.20 : x
  2. Step 2: Convert to fraction form
    275,353.40/413,030.10 = 149,382.20/x
  3. Step 3: Cross multiply
    275,353.40x = 413,030.10 × 149,382.20
  4. Step 4: Simplify right side
    275,353.40x = 61,699,345,004.22
  5. Step 5: Solve for x
    x = 61,699,345,004.22/275,353.40
  6. Step 6: Final answer
    x = 224,073.30

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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.