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Finding the Fourth Proportional to 615,192.30, 923,082.48 and 334,709.28

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Solution

The fourth proportional to 615,192.30, 923,082.48 and 334,709.28 is: 502,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,192.30 : 923,082.48 = 334,709.28 : x
  2. Step 2: Convert to fraction form
    615,192.30/923,082.48 = 334,709.28/x
  3. Step 3: Cross multiply
    615,192.30x = 923,082.48 × 334,709.28
  4. Step 4: Simplify right side
    615,192.30x = 308,964,272,261.41
  5. Step 5: Solve for x
    x = 308,964,272,261.41/615,192.30
  6. Step 6: Final answer
    x = 502,223.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.