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Finding the Fourth Proportional to 618,907.02, 928,260.88 and 169,522.79

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Solution

The fourth proportional to 618,907.02, 928,260.88 and 169,522.79 is: 254,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,907.02 : 928,260.88 = 169,522.79 : x
  2. Step 2: Convert to fraction form
    618,907.02/928,260.88 = 169,522.79/x
  3. Step 3: Cross multiply
    618,907.02x = 928,260.88 × 169,522.79
  4. Step 4: Simplify right side
    618,907.02x = 157,361,369,160.34
  5. Step 5: Solve for x
    x = 157,361,369,160.34/618,907.02
  6. Step 6: Final answer
    x = 254,256.88

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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.