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Finding the Fourth Proportional to 536,299.36, 740,060.40 and 294,534.88

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Solution

The fourth proportional to 536,299.36, 740,060.40 and 294,534.88 is: 406,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,299.36 : 740,060.40 = 294,534.88 : x
  2. Step 2: Convert to fraction form
    536,299.36/740,060.40 = 294,534.88/x
  3. Step 3: Cross multiply
    536,299.36x = 740,060.40 × 294,534.88
  4. Step 4: Simplify right side
    536,299.36x = 217,973,601,106.75
  5. Step 5: Solve for x
    x = 217,973,601,106.75/536,299.36
  6. Step 6: Final answer
    x = 406,440.17

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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.