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Finding the Fourth Proportional to 493,580.80, 740,152.32 and 227,276.80

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Solution

The fourth proportional to 493,580.80, 740,152.32 and 227,276.80 is: 340,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,580.80 : 740,152.32 = 227,276.80 : x
  2. Step 2: Convert to fraction form
    493,580.80/740,152.32 = 227,276.80/x
  3. Step 3: Cross multiply
    493,580.80x = 740,152.32 × 227,276.80
  4. Step 4: Simplify right side
    493,580.80x = 168,219,450,802.18
  5. Step 5: Solve for x
    x = 168,219,450,802.18/493,580.80
  6. Step 6: Final answer
    x = 340,814.41

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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.