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Finding the Fourth Proportional to 402,472.10, 604,096.95 and 245,008.10

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Solution

The fourth proportional to 402,472.10, 604,096.95 and 245,008.10 is: 367,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,472.10 : 604,096.95 = 245,008.10 : x
  2. Step 2: Convert to fraction form
    402,472.10/604,096.95 = 245,008.10/x
  3. Step 3: Cross multiply
    402,472.10x = 604,096.95 × 245,008.10
  4. Step 4: Simplify right side
    402,472.10x = 148,008,645,935.30
  5. Step 5: Solve for x
    x = 148,008,645,935.30/402,472.10
  6. Step 6: Final answer
    x = 367,748.84

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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.