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Finding the Fourth Proportional to 569,102.90, 851,811.15 and 403,214.90

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Solution

The fourth proportional to 569,102.90, 851,811.15 and 403,214.90 is: 603,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,102.90 : 851,811.15 = 403,214.90 : x
  2. Step 2: Convert to fraction form
    569,102.90/851,811.15 = 403,214.90/x
  3. Step 3: Cross multiply
    569,102.90x = 851,811.15 × 403,214.90
  4. Step 4: Simplify right side
    569,102.90x = 343,462,947,666.14
  5. Step 5: Solve for x
    x = 343,462,947,666.14/569,102.90
  6. Step 6: Final answer
    x = 603,516.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.