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Finding the Fourth Proportional to 300,341.52, 414,430.30 and 179,457.28

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Solution

The fourth proportional to 300,341.52, 414,430.30 and 179,457.28 is: 247,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,341.52 : 414,430.30 = 179,457.28 : x
  2. Step 2: Convert to fraction form
    300,341.52/414,430.30 = 179,457.28/x
  3. Step 3: Cross multiply
    300,341.52x = 414,430.30 × 179,457.28
  4. Step 4: Simplify right side
    300,341.52x = 74,372,534,387.58
  5. Step 5: Solve for x
    x = 74,372,534,387.58/300,341.52
  6. Step 6: Final answer
    x = 247,626.55

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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.