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Finding the Fourth Proportional to 593,698.20, 890,460.90 and 172,930.20

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Solution

The fourth proportional to 593,698.20, 890,460.90 and 172,930.20 is: 259,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,698.20 : 890,460.90 = 172,930.20 : x
  2. Step 2: Convert to fraction form
    593,698.20/890,460.90 = 172,930.20/x
  3. Step 3: Cross multiply
    593,698.20x = 890,460.90 × 172,930.20
  4. Step 4: Simplify right side
    593,698.20x = 153,987,581,529.18
  5. Step 5: Solve for x
    x = 153,987,581,529.18/593,698.20
  6. Step 6: Final answer
    x = 259,370.13

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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.