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Finding the Fourth Proportional to 908,861.94, 1,254,172.86 and 500,967

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Solution

The fourth proportional to 908,861.94, 1,254,172.86 and 500,967 is: 691,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,861.94 : 1,254,172.86 = 500,967 : x
  2. Step 2: Convert to fraction form
    908,861.94/1,254,172.86 = 500,967/x
  3. Step 3: Cross multiply
    908,861.94x = 1,254,172.86 × 500,967
  4. Step 4: Simplify right side
    908,861.94x = 628,299,215,155.62
  5. Step 5: Solve for x
    x = 628,299,215,155.62/908,861.94
  6. Step 6: Final answer
    x = 691,303.25

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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.