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Finding the Fourth Proportional to 531,760.74, 733,838.58 and 290,043.33

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Solution

The fourth proportional to 531,760.74, 733,838.58 and 290,043.33 is: 400,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,760.74 : 733,838.58 = 290,043.33 : x
  2. Step 2: Convert to fraction form
    531,760.74/733,838.58 = 290,043.33/x
  3. Step 3: Cross multiply
    531,760.74x = 733,838.58 × 290,043.33
  4. Step 4: Simplify right side
    531,760.74x = 212,844,985,425.67
  5. Step 5: Solve for x
    x = 212,844,985,425.67/531,760.74
  6. Step 6: Final answer
    x = 400,264.57

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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.