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Finding the Fourth Proportional to 679,586.08, 937,852.89 and 373,685.77

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Solution

The fourth proportional to 679,586.08, 937,852.89 and 373,685.77 is: 515,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,586.08 : 937,852.89 = 373,685.77 : x
  2. Step 2: Convert to fraction form
    679,586.08/937,852.89 = 373,685.77/x
  3. Step 3: Cross multiply
    679,586.08x = 937,852.89 × 373,685.77
  4. Step 4: Simplify right side
    679,586.08x = 350,462,279,346.38
  5. Step 5: Solve for x
    x = 350,462,279,346.38/679,586.08
  6. Step 6: Final answer
    x = 515,699.61

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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.