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Finding the Fourth Proportional to 590,341.80, 885,512.70 and 235,410.60

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Solution

The fourth proportional to 590,341.80, 885,512.70 and 235,410.60 is: 353,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,341.80 : 885,512.70 = 235,410.60 : x
  2. Step 2: Convert to fraction form
    590,341.80/885,512.70 = 235,410.60/x
  3. Step 3: Cross multiply
    590,341.80x = 885,512.70 × 235,410.60
  4. Step 4: Simplify right side
    590,341.80x = 208,459,076,014.62
  5. Step 5: Solve for x
    x = 208,459,076,014.62/590,341.80
  6. Step 6: Final answer
    x = 353,115.90

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Similar ratio
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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.