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Finding the Fourth Proportional to 504,239.28, 695,848.80 and 277,884.72

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Solution

The fourth proportional to 504,239.28, 695,848.80 and 277,884.72 is: 383,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,239.28 : 695,848.80 = 277,884.72 : x
  2. Step 2: Convert to fraction form
    504,239.28/695,848.80 = 277,884.72/x
  3. Step 3: Cross multiply
    504,239.28x = 695,848.80 × 277,884.72
  4. Step 4: Simplify right side
    504,239.28x = 193,365,748,950.34
  5. Step 5: Solve for x
    x = 193,365,748,950.34/504,239.28
  6. Step 6: Final answer
    x = 383,480.14

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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.