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Finding the Fourth Proportional to 292,941.65, 439,412.48 and 277,982.57

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Solution

The fourth proportional to 292,941.65, 439,412.48 and 277,982.57 is: 416,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,941.65 : 439,412.48 = 277,982.57 : x
  2. Step 2: Convert to fraction form
    292,941.65/439,412.48 = 277,982.57/x
  3. Step 3: Cross multiply
    292,941.65x = 439,412.48 × 277,982.57
  4. Step 4: Simplify right side
    292,941.65x = 122,149,010,480.47
  5. Step 5: Solve for x
    x = 122,149,010,480.47/292,941.65
  6. Step 6: Final answer
    x = 416,973.86

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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.