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Finding the Fourth Proportional to 649,301.67, 896,125.32 and 373,653.87

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Solution

The fourth proportional to 649,301.67, 896,125.32 and 373,653.87 is: 515,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,301.67 : 896,125.32 = 373,653.87 : x
  2. Step 2: Convert to fraction form
    649,301.67/896,125.32 = 373,653.87/x
  3. Step 3: Cross multiply
    649,301.67x = 896,125.32 × 373,653.87
  4. Step 4: Simplify right side
    649,301.67x = 334,840,693,822.99
  5. Step 5: Solve for x
    x = 334,840,693,822.99/649,301.67
  6. Step 6: Final answer
    x = 515,693.57

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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.