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Finding the Fourth Proportional to 612,824.10, 920,220.30 and 463,233.30

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Solution

The fourth proportional to 612,824.10, 920,220.30 and 463,233.30 is: 695,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,824.10 : 920,220.30 = 463,233.30 : x
  2. Step 2: Convert to fraction form
    612,824.10/920,220.30 = 463,233.30/x
  3. Step 3: Cross multiply
    612,824.10x = 920,220.30 × 463,233.30
  4. Step 4: Simplify right side
    612,824.10x = 426,276,686,295.99
  5. Step 5: Solve for x
    x = 426,276,686,295.99/612,824.10
  6. Step 6: Final answer
    x = 695,593.87

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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.