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Finding the Fourth Proportional to 674,796.56, 930,616.04 and 559,893.20

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Solution

The fourth proportional to 674,796.56, 930,616.04 and 559,893.20 is: 772,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,796.56 : 930,616.04 = 559,893.20 : x
  2. Step 2: Convert to fraction form
    674,796.56/930,616.04 = 559,893.20/x
  3. Step 3: Cross multiply
    674,796.56x = 930,616.04 × 559,893.20
  4. Step 4: Simplify right side
    674,796.56x = 521,045,592,606.93
  5. Step 5: Solve for x
    x = 521,045,592,606.93/674,796.56
  6. Step 6: Final answer
    x = 772,152.12

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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.