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Finding the Fourth Proportional to 536,298.10, 804,555.15 and 157,218.10

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Solution

The fourth proportional to 536,298.10, 804,555.15 and 157,218.10 is: 235,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,298.10 : 804,555.15 = 157,218.10 : x
  2. Step 2: Convert to fraction form
    536,298.10/804,555.15 = 157,218.10/x
  3. Step 3: Cross multiply
    536,298.10x = 804,555.15 × 157,218.10
  4. Step 4: Simplify right side
    536,298.10x = 126,490,632,028.22
  5. Step 5: Solve for x
    x = 126,490,632,028.22/536,298.10
  6. Step 6: Final answer
    x = 235,858.81

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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.