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Finding the Fourth Proportional to 528,925.12, 794,761.44 and 494,369.44

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Solution

The fourth proportional to 528,925.12, 794,761.44 and 494,369.44 is: 742,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,925.12 : 794,761.44 = 494,369.44 : x
  2. Step 2: Convert to fraction form
    528,925.12/794,761.44 = 494,369.44/x
  3. Step 3: Cross multiply
    528,925.12x = 794,761.44 × 494,369.44
  4. Step 4: Simplify right side
    528,925.12x = 392,905,768,026.39
  5. Step 5: Solve for x
    x = 392,905,768,026.39/528,925.12
  6. Step 6: Final answer
    x = 742,838.17

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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.