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Finding the Fourth Proportional to 908,758.44, 1,254,035.46 and 500,859

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Solution

The fourth proportional to 908,758.44, 1,254,035.46 and 500,859 is: 691,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,758.44 : 1,254,035.46 = 500,859 : x
  2. Step 2: Convert to fraction form
    908,758.44/1,254,035.46 = 500,859/x
  3. Step 3: Cross multiply
    908,758.44x = 1,254,035.46 × 500,859
  4. Step 4: Simplify right side
    908,758.44x = 628,094,946,460.14
  5. Step 5: Solve for x
    x = 628,094,946,460.14/908,758.44
  6. Step 6: Final answer
    x = 691,157.21

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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.