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Finding the Fourth Proportional to 543,230.77, 749,644.45 and 301,506.25

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Solution

The fourth proportional to 543,230.77, 749,644.45 and 301,506.25 is: 416,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,230.77 : 749,644.45 = 301,506.25 : x
  2. Step 2: Convert to fraction form
    543,230.77/749,644.45 = 301,506.25/x
  3. Step 3: Cross multiply
    543,230.77x = 749,644.45 × 301,506.25
  4. Step 4: Simplify right side
    543,230.77x = 226,022,486,952.81
  5. Step 5: Solve for x
    x = 226,022,486,952.81/543,230.77
  6. Step 6: Final answer
    x = 416,070.85

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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.