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Finding the Fourth Proportional to 1,114,768.64, 1,672,596 and 356,726.88

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Solution

The fourth proportional to 1,114,768.64, 1,672,596 and 356,726.88 is: 535,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,768.64 : 1,672,596 = 356,726.88 : x
  2. Step 2: Convert to fraction form
    1,114,768.64/1,672,596 = 356,726.88/x
  3. Step 3: Cross multiply
    1,114,768.64x = 1,672,596 × 356,726.88
  4. Step 4: Simplify right side
    1,114,768.64x = 596,659,952,580.48
  5. Step 5: Solve for x
    x = 596,659,952,580.48/1,114,768.64
  6. Step 6: Final answer
    x = 535,232.09

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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.