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Finding the Fourth Proportional to 623,783.27, 860,833.40 and 351,797.93

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Solution

The fourth proportional to 623,783.27, 860,833.40 and 351,797.93 is: 485,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,783.27 : 860,833.40 = 351,797.93 : x
  2. Step 2: Convert to fraction form
    623,783.27/860,833.40 = 351,797.93/x
  3. Step 3: Cross multiply
    623,783.27x = 860,833.40 × 351,797.93
  4. Step 4: Simplify right side
    623,783.27x = 302,839,402,131.71
  5. Step 5: Solve for x
    x = 302,839,402,131.71/623,783.27
  6. Step 6: Final answer
    x = 485,488.17

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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.