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Finding the Fourth Proportional to 734,874.48, 1,014,048.24 and 412,620

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Solution

The fourth proportional to 734,874.48, 1,014,048.24 and 412,620 is: 569,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,874.48 : 1,014,048.24 = 412,620 : x
  2. Step 2: Convert to fraction form
    734,874.48/1,014,048.24 = 412,620/x
  3. Step 3: Cross multiply
    734,874.48x = 1,014,048.24 × 412,620
  4. Step 4: Simplify right side
    734,874.48x = 418,416,584,788.80
  5. Step 5: Solve for x
    x = 418,416,584,788.80/734,874.48
  6. Step 6: Final answer
    x = 569,371.50

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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.