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Finding the Fourth Proportional to 531,764.77, 733,837.67 and 290,052.53

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Solution

The fourth proportional to 531,764.77, 733,837.67 and 290,052.53 is: 400,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,764.77 : 733,837.67 = 290,052.53 : x
  2. Step 2: Convert to fraction form
    531,764.77/733,837.67 = 290,052.53/x
  3. Step 3: Cross multiply
    531,764.77x = 733,837.67 × 290,052.53
  4. Step 4: Simplify right side
    531,764.77x = 212,851,472,792.81
  5. Step 5: Solve for x
    x = 212,851,472,792.81/531,764.77
  6. Step 6: Final answer
    x = 400,273.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.