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Finding the Fourth Proportional to 483,607.80, 725,066.10 and 217,150.20

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Solution

The fourth proportional to 483,607.80, 725,066.10 and 217,150.20 is: 325,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,607.80 : 725,066.10 = 217,150.20 : x
  2. Step 2: Convert to fraction form
    483,607.80/725,066.10 = 217,150.20/x
  3. Step 3: Cross multiply
    483,607.80x = 725,066.10 × 217,150.20
  4. Step 4: Simplify right side
    483,607.80x = 157,448,248,628.22
  5. Step 5: Solve for x
    x = 157,448,248,628.22/483,607.80
  6. Step 6: Final answer
    x = 325,570.12

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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.