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Finding the Fourth Proportional to 705,525.74, 973,636.00 and 399,594.52

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Solution

The fourth proportional to 705,525.74, 973,636.00 and 399,594.52 is: 551,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,525.74 : 973,636.00 = 399,594.52 : x
  2. Step 2: Convert to fraction form
    705,525.74/973,636.00 = 399,594.52/x
  3. Step 3: Cross multiply
    705,525.74x = 973,636.00 × 399,594.52
  4. Step 4: Simplify right side
    705,525.74x = 389,059,604,816.08
  5. Step 5: Solve for x
    x = 389,059,604,816.08/705,525.74
  6. Step 6: Final answer
    x = 551,446.36

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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.