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Finding the Fourth Proportional to 340,627.83, 470,043.72 and 197,362.32

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Solution

The fourth proportional to 340,627.83, 470,043.72 and 197,362.32 is: 272,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,627.83 : 470,043.72 = 197,362.32 : x
  2. Step 2: Convert to fraction form
    340,627.83/470,043.72 = 197,362.32/x
  3. Step 3: Cross multiply
    340,627.83x = 470,043.72 × 197,362.32
  4. Step 4: Simplify right side
    340,627.83x = 92,768,919,080.63
  5. Step 5: Solve for x
    x = 92,768,919,080.63/340,627.83
  6. Step 6: Final answer
    x = 272,346.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.