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Finding the Fourth Proportional to 1,266,768.02, 1,748,122.26 and 723,076.22

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Solution

The fourth proportional to 1,266,768.02, 1,748,122.26 and 723,076.22 is: 997,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,768.02 : 1,748,122.26 = 723,076.22 : x
  2. Step 2: Convert to fraction form
    1,266,768.02/1,748,122.26 = 723,076.22/x
  3. Step 3: Cross multiply
    1,266,768.02x = 1,748,122.26 × 723,076.22
  4. Step 4: Simplify right side
    1,266,768.02x = 1,264,025,635,858.66
  5. Step 5: Solve for x
    x = 1,264,025,635,858.66/1,266,768.02
  6. Step 6: Final answer
    x = 997,835.13

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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.