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Finding the Fourth Proportional to 545,095.20, 816,087.60 and 482,887.20

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Solution

The fourth proportional to 545,095.20, 816,087.60 and 482,887.20 is: 722,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,095.20 : 816,087.60 = 482,887.20 : x
  2. Step 2: Convert to fraction form
    545,095.20/816,087.60 = 482,887.20/x
  3. Step 3: Cross multiply
    545,095.20x = 816,087.60 × 482,887.20
  4. Step 4: Simplify right side
    545,095.20x = 394,078,256,118.72
  5. Step 5: Solve for x
    x = 394,078,256,118.72/545,095.20
  6. Step 6: Final answer
    x = 722,953.08

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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.