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Finding the Fourth Proportional to 545,037.20, 816,000.60 and 482,829.20

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Solution

The fourth proportional to 545,037.20, 816,000.60 and 482,829.20 is: 722,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,037.20 : 816,000.60 = 482,829.20 : x
  2. Step 2: Convert to fraction form
    545,037.20/816,000.60 = 482,829.20/x
  3. Step 3: Cross multiply
    545,037.20x = 816,000.60 × 482,829.20
  4. Step 4: Simplify right side
    545,037.20x = 393,988,916,897.52
  5. Step 5: Solve for x
    x = 393,988,916,897.52/545,037.20
  6. Step 6: Final answer
    x = 722,866.10

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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.