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Finding the Fourth Proportional to 679,624.08, 937,901.64 and 373,684.64

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Solution

The fourth proportional to 679,624.08, 937,901.64 and 373,684.64 is: 515,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,624.08 : 937,901.64 = 373,684.64 : x
  2. Step 2: Convert to fraction form
    679,624.08/937,901.64 = 373,684.64/x
  3. Step 3: Cross multiply
    679,624.08x = 937,901.64 × 373,684.64
  4. Step 4: Simplify right side
    679,624.08x = 350,479,436,698.81
  5. Step 5: Solve for x
    x = 350,479,436,698.81/679,624.08
  6. Step 6: Final answer
    x = 515,696.03

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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.