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Finding the Fourth Proportional to 504,274.63, 696,580.48 and 403,009.84

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Solution

The fourth proportional to 504,274.63, 696,580.48 and 403,009.84 is: 556,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,274.63 : 696,580.48 = 403,009.84 : x
  2. Step 2: Convert to fraction form
    504,274.63/696,580.48 = 403,009.84/x
  3. Step 3: Cross multiply
    504,274.63x = 696,580.48 × 403,009.84
  4. Step 4: Simplify right side
    504,274.63x = 280,728,788,729.16
  5. Step 5: Solve for x
    x = 280,728,788,729.16/504,274.63
  6. Step 6: Final answer
    x = 556,698.22

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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.