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Finding the Fourth Proportional to 364,235.40, 547,009.20 and 352,425.60

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Solution

The fourth proportional to 364,235.40, 547,009.20 and 352,425.60 is: 529,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,235.40 : 547,009.20 = 352,425.60 : x
  2. Step 2: Convert to fraction form
    364,235.40/547,009.20 = 352,425.60/x
  3. Step 3: Cross multiply
    364,235.40x = 547,009.20 × 352,425.60
  4. Step 4: Simplify right side
    364,235.40x = 192,780,045,515.52
  5. Step 5: Solve for x
    x = 192,780,045,515.52/364,235.40
  6. Step 6: Final answer
    x = 529,273.23

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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.