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Finding the Fourth Proportional to 543,266.77, 749,706.87 and 301,552.24

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Solution

The fourth proportional to 543,266.77, 749,706.87 and 301,552.24 is: 416,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,266.77 : 749,706.87 = 301,552.24 : x
  2. Step 2: Convert to fraction form
    543,266.77/749,706.87 = 301,552.24/x
  3. Step 3: Cross multiply
    543,266.77x = 749,706.87 × 301,552.24
  4. Step 4: Simplify right side
    543,266.77x = 226,075,785,991.89
  5. Step 5: Solve for x
    x = 226,075,785,991.89/543,266.77
  6. Step 6: Final answer
    x = 416,141.38

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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.