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Finding the Fourth Proportional to 531,770.75, 733,845.93 and 290,058.52

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Solution

The fourth proportional to 531,770.75, 733,845.93 and 290,058.52 is: 400,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,770.75 : 733,845.93 = 290,058.52 : x
  2. Step 2: Convert to fraction form
    531,770.75/733,845.93 = 290,058.52/x
  3. Step 3: Cross multiply
    531,770.75x = 733,845.93 × 290,058.52
  4. Step 4: Simplify right side
    531,770.75x = 212,858,264,363.82
  5. Step 5: Solve for x
    x = 212,858,264,363.82/531,770.75
  6. Step 6: Final answer
    x = 400,282.01

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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.