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Finding the Fourth Proportional to 614,715.33, 848,367.63 and 372,978.93

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Solution

The fourth proportional to 614,715.33, 848,367.63 and 372,978.93 is: 514,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,715.33 : 848,367.63 = 372,978.93 : x
  2. Step 2: Convert to fraction form
    614,715.33/848,367.63 = 372,978.93/x
  3. Step 3: Cross multiply
    614,715.33x = 848,367.63 × 372,978.93
  4. Step 4: Simplify right side
    614,715.33x = 316,423,250,884.04
  5. Step 5: Solve for x
    x = 316,423,250,884.04/614,715.33
  6. Step 6: Final answer
    x = 514,747.62

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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.