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Finding the Fourth Proportional to 531,464.31, 797,199.35 and 157,490.55

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Solution

The fourth proportional to 531,464.31, 797,199.35 and 157,490.55 is: 236,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,464.31 : 797,199.35 = 157,490.55 : x
  2. Step 2: Convert to fraction form
    531,464.31/797,199.35 = 157,490.55/x
  3. Step 3: Cross multiply
    531,464.31x = 797,199.35 × 157,490.55
  4. Step 4: Simplify right side
    531,464.31x = 125,551,363,303.69
  5. Step 5: Solve for x
    x = 125,551,363,303.69/531,464.31
  6. Step 6: Final answer
    x = 236,236.68

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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.