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Finding the Fourth Proportional to 303,897.44, 455,846.36 and 79,257.30

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Solution

The fourth proportional to 303,897.44, 455,846.36 and 79,257.30 is: 118,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,897.44 : 455,846.36 = 79,257.30 : x
  2. Step 2: Convert to fraction form
    303,897.44/455,846.36 = 79,257.30/x
  3. Step 3: Cross multiply
    303,897.44x = 455,846.36 × 79,257.30
  4. Step 4: Simplify right side
    303,897.44x = 36,129,151,312.14
  5. Step 5: Solve for x
    x = 36,129,151,312.14/303,897.44
  6. Step 6: Final answer
    x = 118,886.00

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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.