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Finding the Fourth Proportional to 365,529.69, 547,729.02 and 253,428.93

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Solution

The fourth proportional to 365,529.69, 547,729.02 and 253,428.93 is: 379,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,529.69 : 547,729.02 = 253,428.93 : x
  2. Step 2: Convert to fraction form
    365,529.69/547,729.02 = 253,428.93/x
  3. Step 3: Cross multiply
    365,529.69x = 547,729.02 × 253,428.93
  4. Step 4: Simplify right side
    365,529.69x = 138,810,379,468.55
  5. Step 5: Solve for x
    x = 138,810,379,468.55/365,529.69
  6. Step 6: Final answer
    x = 379,751.31

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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.