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Finding the Fourth Proportional to 470,392.56, 649,194.68 and 266,457.36

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Solution

The fourth proportional to 470,392.56, 649,194.68 and 266,457.36 is: 367,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,392.56 : 649,194.68 = 266,457.36 : x
  2. Step 2: Convert to fraction form
    470,392.56/649,194.68 = 266,457.36/x
  3. Step 3: Cross multiply
    470,392.56x = 649,194.68 × 266,457.36
  4. Step 4: Simplify right side
    470,392.56x = 172,982,700,558.85
  5. Step 5: Solve for x
    x = 172,982,700,558.85/470,392.56
  6. Step 6: Final answer
    x = 367,741.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.