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Finding the Fourth Proportional to 1,266,769.02, 1,748,123.64 and 723,077.22

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Solution

The fourth proportional to 1,266,769.02, 1,748,123.64 and 723,077.22 is: 997,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,769.02 : 1,748,123.64 = 723,077.22 : x
  2. Step 2: Convert to fraction form
    1,266,769.02/1,748,123.64 = 723,077.22/x
  3. Step 3: Cross multiply
    1,266,769.02x = 1,748,123.64 × 723,077.22
  4. Step 4: Simplify right side
    1,266,769.02x = 1,264,028,381,827.48
  5. Step 5: Solve for x
    x = 1,264,028,381,827.48/1,266,769.02
  6. Step 6: Final answer
    x = 997,836.51

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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.