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Finding the Fourth Proportional to 632,911.80, 873,384.48 and 346,376.52

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Solution

The fourth proportional to 632,911.80, 873,384.48 and 346,376.52 is: 477,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,911.80 : 873,384.48 = 346,376.52 : x
  2. Step 2: Convert to fraction form
    632,911.80/873,384.48 = 346,376.52/x
  3. Step 3: Cross multiply
    632,911.80x = 873,384.48 × 346,376.52
  4. Step 4: Simplify right side
    632,911.80x = 302,519,876,804.41
  5. Step 5: Solve for x
    x = 302,519,876,804.41/632,911.80
  6. Step 6: Final answer
    x = 477,981.10

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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.