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Finding the Fourth Proportional to 435,814.75, 601,457.16 and 266,081.68

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Solution

The fourth proportional to 435,814.75, 601,457.16 and 266,081.68 is: 367,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,814.75 : 601,457.16 = 266,081.68 : x
  2. Step 2: Convert to fraction form
    435,814.75/601,457.16 = 266,081.68/x
  3. Step 3: Cross multiply
    435,814.75x = 601,457.16 × 266,081.68
  4. Step 4: Simplify right side
    435,814.75x = 160,036,731,580.83
  5. Step 5: Solve for x
    x = 160,036,731,580.83/435,814.75
  6. Step 6: Final answer
    x = 367,212.75

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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.