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Finding the Fourth Proportional to 260,929.28, 360,072.32 and 147,752.30

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Solution

The fourth proportional to 260,929.28, 360,072.32 and 147,752.30 is: 203,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,929.28 : 360,072.32 = 147,752.30 : x
  2. Step 2: Convert to fraction form
    260,929.28/360,072.32 = 147,752.30/x
  3. Step 3: Cross multiply
    260,929.28x = 360,072.32 × 147,752.30
  4. Step 4: Simplify right side
    260,929.28x = 53,201,513,446.34
  5. Step 5: Solve for x
    x = 53,201,513,446.34/260,929.28
  6. Step 6: Final answer
    x = 203,892.46

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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.