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Finding the Fourth Proportional to 493,457.23, 740,075.13 and 226,961.71

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Solution

The fourth proportional to 493,457.23, 740,075.13 and 226,961.71 is: 340,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,457.23 : 740,075.13 = 226,961.71 : x
  2. Step 2: Convert to fraction form
    493,457.23/740,075.13 = 226,961.71/x
  3. Step 3: Cross multiply
    493,457.23x = 740,075.13 × 226,961.71
  4. Step 4: Simplify right side
    493,457.23x = 167,968,714,331.98
  5. Step 5: Solve for x
    x = 167,968,714,331.98/493,457.23
  6. Step 6: Final answer
    x = 340,391.64

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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.