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Finding the Fourth Proportional to 679,562.36, 937,776.22 and 373,638.42

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Solution

The fourth proportional to 679,562.36, 937,776.22 and 373,638.42 is: 515,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,562.36 : 937,776.22 = 373,638.42 : x
  2. Step 2: Convert to fraction form
    679,562.36/937,776.22 = 373,638.42/x
  3. Step 3: Cross multiply
    679,562.36x = 937,776.22 × 373,638.42
  4. Step 4: Simplify right side
    679,562.36x = 350,389,225,154.37
  5. Step 5: Solve for x
    x = 350,389,225,154.37/679,562.36
  6. Step 6: Final answer
    x = 515,610.11

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1.5x scale

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.