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Finding the Fourth Proportional to 459,751.81, 634,447.65 and 266,167.66

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Solution

The fourth proportional to 459,751.81, 634,447.65 and 266,167.66 is: 367,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,751.81 : 634,447.65 = 266,167.66 : x
  2. Step 2: Convert to fraction form
    459,751.81/634,447.65 = 266,167.66/x
  3. Step 3: Cross multiply
    459,751.81x = 634,447.65 × 266,167.66
  4. Step 4: Simplify right side
    459,751.81x = 168,869,446,393.00
  5. Step 5: Solve for x
    x = 168,869,446,393.00/459,751.81
  6. Step 6: Final answer
    x = 367,305.67

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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.