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Finding the Fourth Proportional to 437,897.10, 656,845.65 and 248,940.30

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Solution

The fourth proportional to 437,897.10, 656,845.65 and 248,940.30 is: 373,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,897.10 : 656,845.65 = 248,940.30 : x
  2. Step 2: Convert to fraction form
    437,897.10/656,845.65 = 248,940.30/x
  3. Step 3: Cross multiply
    437,897.10x = 656,845.65 × 248,940.30
  4. Step 4: Simplify right side
    437,897.10x = 163,515,353,164.70
  5. Step 5: Solve for x
    x = 163,515,353,164.70/437,897.10
  6. Step 6: Final answer
    x = 373,410.45

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Similar ratio
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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.