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Finding the Fourth Proportional to 623,594.47, 860,562.74 and 347,963.95

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Solution

The fourth proportional to 623,594.47, 860,562.74 and 347,963.95 is: 480,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,594.47 : 860,562.74 = 347,963.95 : x
  2. Step 2: Convert to fraction form
    623,594.47/860,562.74 = 347,963.95/x
  3. Step 3: Cross multiply
    623,594.47x = 860,562.74 × 347,963.95
  4. Step 4: Simplify right side
    623,594.47x = 299,444,810,233.22
  5. Step 5: Solve for x
    x = 299,444,810,233.22/623,594.47
  6. Step 6: Final answer
    x = 480,191.57

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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.