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Finding the Fourth Proportional to 504,040.20, 695,567.70 and 277,693.80

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Solution

The fourth proportional to 504,040.20, 695,567.70 and 277,693.80 is: 383,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,040.20 : 695,567.70 = 277,693.80 : x
  2. Step 2: Convert to fraction form
    504,040.20/695,567.70 = 277,693.80/x
  3. Step 3: Cross multiply
    504,040.20x = 695,567.70 × 277,693.80
  4. Step 4: Simplify right side
    504,040.20x = 193,154,837,770.26
  5. Step 5: Solve for x
    x = 193,154,837,770.26/504,040.20
  6. Step 6: Final answer
    x = 383,213.16

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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.