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Finding the Fourth Proportional to 567,457.40, 851,186.10 and 465,980.60

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Solution

The fourth proportional to 567,457.40, 851,186.10 and 465,980.60 is: 698,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,457.40 : 851,186.10 = 465,980.60 : x
  2. Step 2: Convert to fraction form
    567,457.40/851,186.10 = 465,980.60/x
  3. Step 3: Cross multiply
    567,457.40x = 851,186.10 × 465,980.60
  4. Step 4: Simplify right side
    567,457.40x = 396,636,209,589.66
  5. Step 5: Solve for x
    x = 396,636,209,589.66/567,457.40
  6. Step 6: Final answer
    x = 698,970.90

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Double scale
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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.