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Finding the Fourth Proportional to 623,762.43, 860,797.02 and 344,368.32

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Solution

The fourth proportional to 623,762.43, 860,797.02 and 344,368.32 is: 475,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,762.43 : 860,797.02 = 344,368.32 : x
  2. Step 2: Convert to fraction form
    623,762.43/860,797.02 = 344,368.32/x
  3. Step 3: Cross multiply
    623,762.43x = 860,797.02 × 344,368.32
  4. Step 4: Simplify right side
    623,762.43x = 296,431,223,638.41
  5. Step 5: Solve for x
    x = 296,431,223,638.41/623,762.43
  6. Step 6: Final answer
    x = 475,230.97

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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.