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Finding the Fourth Proportional to 694,521.80, 973,730.20 and 694,521.80

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Solution

The fourth proportional to 694,521.80, 973,730.20 and 694,521.80 is: 973,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,521.80 : 973,730.20 = 694,521.80 : x
  2. Step 2: Convert to fraction form
    694,521.80/973,730.20 = 694,521.80/x
  3. Step 3: Cross multiply
    694,521.80x = 973,730.20 × 694,521.80
  4. Step 4: Simplify right side
    694,521.80x = 676,276,851,218.36
  5. Step 5: Solve for x
    x = 676,276,851,218.36/694,521.80
  6. Step 6: Final answer
    x = 973,730.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.