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Finding the Fourth Proportional to 531,460.56, 797,193.72 and 157,486.80

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Solution

The fourth proportional to 531,460.56, 797,193.72 and 157,486.80 is: 236,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,460.56 : 797,193.72 = 157,486.80 : x
  2. Step 2: Convert to fraction form
    531,460.56/797,193.72 = 157,486.80/x
  3. Step 3: Cross multiply
    531,460.56x = 797,193.72 × 157,486.80
  4. Step 4: Simplify right side
    531,460.56x = 125,547,487,942.90
  5. Step 5: Solve for x
    x = 125,547,487,942.90/531,460.56
  6. Step 6: Final answer
    x = 236,231.05

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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.