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Finding the Fourth Proportional to 567,416.40, 851,124.60 and 168,118.80

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Solution

The fourth proportional to 567,416.40, 851,124.60 and 168,118.80 is: 252,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,416.40 : 851,124.60 = 168,118.80 : x
  2. Step 2: Convert to fraction form
    567,416.40/851,124.60 = 168,118.80/x
  3. Step 3: Cross multiply
    567,416.40x = 851,124.60 × 168,118.80
  4. Step 4: Simplify right side
    567,416.40x = 143,090,046,402.48
  5. Step 5: Solve for x
    x = 143,090,046,402.48/567,416.40
  6. Step 6: Final answer
    x = 252,178.20

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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.