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Finding the Fourth Proportional to 496,316.84, 742,894.76 and 395,343.04

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Solution

The fourth proportional to 496,316.84, 742,894.76 and 395,343.04 is: 591,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,316.84 : 742,894.76 = 395,343.04 : x
  2. Step 2: Convert to fraction form
    496,316.84/742,894.76 = 395,343.04/x
  3. Step 3: Cross multiply
    496,316.84x = 742,894.76 × 395,343.04
  4. Step 4: Simplify right side
    496,316.84x = 293,698,272,818.47
  5. Step 5: Solve for x
    x = 293,698,272,818.47/496,316.84
  6. Step 6: Final answer
    x = 591,755.61

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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.