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Finding the Fourth Proportional to 545,859.20, 817,233.60 and 483,651.20

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Solution

The fourth proportional to 545,859.20, 817,233.60 and 483,651.20 is: 724,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,859.20 : 817,233.60 = 483,651.20 : x
  2. Step 2: Convert to fraction form
    545,859.20/817,233.60 = 483,651.20/x
  3. Step 3: Cross multiply
    545,859.20x = 817,233.60 × 483,651.20
  4. Step 4: Simplify right side
    545,859.20x = 395,256,011,320.32
  5. Step 5: Solve for x
    x = 395,256,011,320.32/545,859.20
  6. Step 6: Final answer
    x = 724,098.84

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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.