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Finding the Fourth Proportional to 527,090.63, 727,329.25 and 297,634.00

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Solution

The fourth proportional to 527,090.63, 727,329.25 and 297,634.00 is: 410,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,090.63 : 727,329.25 = 297,634.00 : x
  2. Step 2: Convert to fraction form
    527,090.63/727,329.25 = 297,634.00/x
  3. Step 3: Cross multiply
    527,090.63x = 727,329.25 × 297,634.00
  4. Step 4: Simplify right side
    527,090.63x = 216,477,915,120.48
  5. Step 5: Solve for x
    x = 216,477,915,120.48/527,090.63
  6. Step 6: Final answer
    x = 410,703.41

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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.