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Finding the Fourth Proportional to 679,210.79, 937,333.37 and 373,298.01

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Solution

The fourth proportional to 679,210.79, 937,333.37 and 373,298.01 is: 515,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,210.79 : 937,333.37 = 373,298.01 : x
  2. Step 2: Convert to fraction form
    679,210.79/937,333.37 = 373,298.01/x
  3. Step 3: Cross multiply
    679,210.79x = 937,333.37 × 373,298.01
  4. Step 4: Simplify right side
    679,210.79x = 349,904,679,861.10
  5. Step 5: Solve for x
    x = 349,904,679,861.10/679,210.79
  6. Step 6: Final answer
    x = 515,163.61

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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.