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Finding the Fourth Proportional to 531,192.25, 733,045.31 and 292,728.25

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Solution

The fourth proportional to 531,192.25, 733,045.31 and 292,728.25 is: 403,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,192.25 : 733,045.31 = 292,728.25 : x
  2. Step 2: Convert to fraction form
    531,192.25/733,045.31 = 292,728.25/x
  3. Step 3: Cross multiply
    531,192.25x = 733,045.31 × 292,728.25
  4. Step 4: Simplify right side
    531,192.25x = 214,583,070,767.01
  5. Step 5: Solve for x
    x = 214,583,070,767.01/531,192.25
  6. Step 6: Final answer
    x = 403,964.99

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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.