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Finding the Fourth Proportional to 288,624.60, 398,044.06 and 181,204.64

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Solution

The fourth proportional to 288,624.60, 398,044.06 and 181,204.64 is: 249,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,624.60 : 398,044.06 = 181,204.64 : x
  2. Step 2: Convert to fraction form
    288,624.60/398,044.06 = 181,204.64/x
  3. Step 3: Cross multiply
    288,624.60x = 398,044.06 × 181,204.64
  4. Step 4: Simplify right side
    288,624.60x = 72,127,430,596.44
  5. Step 5: Solve for x
    x = 72,127,430,596.44/288,624.60
  6. Step 6: Final answer
    x = 249,900.50

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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.