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Finding the Fourth Proportional to 242,356.20, 363,491.10 and 153,450.60

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Solution

The fourth proportional to 242,356.20, 363,491.10 and 153,450.60 is: 230,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,356.20 : 363,491.10 = 153,450.60 : x
  2. Step 2: Convert to fraction form
    242,356.20/363,491.10 = 153,450.60/x
  3. Step 3: Cross multiply
    242,356.20x = 363,491.10 × 153,450.60
  4. Step 4: Simplify right side
    242,356.20x = 55,777,927,389.66
  5. Step 5: Solve for x
    x = 55,777,927,389.66/242,356.20
  6. Step 6: Final answer
    x = 230,148.55

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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.