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Finding the Fourth Proportional to 543,277.16, 749,756.49 and 301,563.77

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Solution

The fourth proportional to 543,277.16, 749,756.49 and 301,563.77 is: 416,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,277.16 : 749,756.49 = 301,563.77 : x
  2. Step 2: Convert to fraction form
    543,277.16/749,756.49 = 301,563.77/x
  3. Step 3: Cross multiply
    543,277.16x = 749,756.49 × 301,563.77
  4. Step 4: Simplify right side
    543,277.16x = 226,099,389,957.59
  5. Step 5: Solve for x
    x = 226,099,389,957.59/543,277.16
  6. Step 6: Final answer
    x = 416,176.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.