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Finding the Fourth Proportional to 300,466.13, 414,666.29 and 171,407.45

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Solution

The fourth proportional to 300,466.13, 414,666.29 and 171,407.45 is: 236,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,466.13 : 414,666.29 = 171,407.45 : x
  2. Step 2: Convert to fraction form
    300,466.13/414,666.29 = 171,407.45/x
  3. Step 3: Cross multiply
    300,466.13x = 414,666.29 × 171,407.45
  4. Step 4: Simplify right side
    300,466.13x = 71,076,888,868.01
  5. Step 5: Solve for x
    x = 71,076,888,868.01/300,466.13
  6. Step 6: Final answer
    x = 236,555.41

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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.