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Finding the Fourth Proportional to 365,064.80, 547,597.20 and 239,093.60

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Solution

The fourth proportional to 365,064.80, 547,597.20 and 239,093.60 is: 358,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,064.80 : 547,597.20 = 239,093.60 : x
  2. Step 2: Convert to fraction form
    365,064.80/547,597.20 = 239,093.60/x
  3. Step 3: Cross multiply
    365,064.80x = 547,597.20 × 239,093.60
  4. Step 4: Simplify right side
    365,064.80x = 130,926,985,897.92
  5. Step 5: Solve for x
    x = 130,926,985,897.92/365,064.80
  6. Step 6: Final answer
    x = 358,640.40

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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.