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Finding the Fourth Proportional to 339,783.27, 508,565.61 and 249,802.23

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Solution

The fourth proportional to 339,783.27, 508,565.61 and 249,802.23 is: 373,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,783.27 : 508,565.61 = 249,802.23 : x
  2. Step 2: Convert to fraction form
    339,783.27/508,565.61 = 249,802.23/x
  3. Step 3: Cross multiply
    339,783.27x = 508,565.61 × 249,802.23
  4. Step 4: Simplify right side
    339,783.27x = 127,040,823,479.31
  5. Step 5: Solve for x
    x = 127,040,823,479.31/339,783.27
  6. Step 6: Final answer
    x = 373,887.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.