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Finding the Fourth Proportional to 364,829.80, 547,244.70 and 238,858.60

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Solution

The fourth proportional to 364,829.80, 547,244.70 and 238,858.60 is: 358,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,829.80 : 547,244.70 = 238,858.60 : x
  2. Step 2: Convert to fraction form
    364,829.80/547,244.70 = 238,858.60/x
  3. Step 3: Cross multiply
    364,829.80x = 547,244.70 × 238,858.60
  4. Step 4: Simplify right side
    364,829.80x = 130,714,102,899.42
  5. Step 5: Solve for x
    x = 130,714,102,899.42/364,829.80
  6. Step 6: Final answer
    x = 358,287.90

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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.