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Finding the Fourth Proportional to 531,763.77, 733,836.29 and 290,051.53

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Solution

The fourth proportional to 531,763.77, 733,836.29 and 290,051.53 is: 400,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,763.77 : 733,836.29 = 290,051.53 : x
  2. Step 2: Convert to fraction form
    531,763.77/733,836.29 = 290,051.53/x
  3. Step 3: Cross multiply
    531,763.77x = 733,836.29 × 290,051.53
  4. Step 4: Simplify right side
    531,763.77x = 212,850,338,684.02
  5. Step 5: Solve for x
    x = 212,850,338,684.02/531,763.77
  6. Step 6: Final answer
    x = 400,272.36

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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.