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Finding the Fourth Proportional to 623,797.38, 860,804.57 and 351,849.06

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Solution

The fourth proportional to 623,797.38, 860,804.57 and 351,849.06 is: 485,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,797.38 : 860,804.57 = 351,849.06 : x
  2. Step 2: Convert to fraction form
    623,797.38/860,804.57 = 351,849.06/x
  3. Step 3: Cross multiply
    623,797.38x = 860,804.57 × 351,849.06
  4. Step 4: Simplify right side
    623,797.38x = 302,873,279,677.83
  5. Step 5: Solve for x
    x = 302,873,279,677.83/623,797.38
  6. Step 6: Final answer
    x = 485,531.50

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1.5x scale

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.