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Finding the Fourth Proportional to 531,804.87, 797,706.90 and 157,827.87

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Solution

The fourth proportional to 531,804.87, 797,706.90 and 157,827.87 is: 236,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,804.87 : 797,706.90 = 157,827.87 : x
  2. Step 2: Convert to fraction form
    531,804.87/797,706.90 = 157,827.87/x
  3. Step 3: Cross multiply
    531,804.87x = 797,706.90 × 157,827.87
  4. Step 4: Simplify right side
    531,804.87x = 125,900,380,911.30
  5. Step 5: Solve for x
    x = 125,900,380,911.30/531,804.87
  6. Step 6: Final answer
    x = 236,741.68

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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.