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Finding the Fourth Proportional to 821,752.17, 1,230,930.09 and 483,751.32

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Solution

The fourth proportional to 821,752.17, 1,230,930.09 and 483,751.32 is: 724,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,752.17 : 1,230,930.09 = 483,751.32 : x
  2. Step 2: Convert to fraction form
    821,752.17/1,230,930.09 = 483,751.32/x
  3. Step 3: Cross multiply
    821,752.17x = 1,230,930.09 × 483,751.32
  4. Step 4: Simplify right side
    821,752.17x = 595,464,055,865.22
  5. Step 5: Solve for x
    x = 595,464,055,865.22/821,752.17
  6. Step 6: Final answer
    x = 724,627.30

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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.