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Finding the Fourth Proportional to 572,025.24, 789,404.13 and 330,328.98

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Solution

The fourth proportional to 572,025.24, 789,404.13 and 330,328.98 is: 455,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,025.24 : 789,404.13 = 330,328.98 : x
  2. Step 2: Convert to fraction form
    572,025.24/789,404.13 = 330,328.98/x
  3. Step 3: Cross multiply
    572,025.24x = 789,404.13 × 330,328.98
  4. Step 4: Simplify right side
    572,025.24x = 260,763,061,070.69
  5. Step 5: Solve for x
    x = 260,763,061,070.69/572,025.24
  6. Step 6: Final answer
    x = 455,859.36

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1.5x scale

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.