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Finding the Fourth Proportional to 659,798.55, 910,497.18 and 373,324.83

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Solution

The fourth proportional to 659,798.55, 910,497.18 and 373,324.83 is: 515,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,798.55 : 910,497.18 = 373,324.83 : x
  2. Step 2: Convert to fraction form
    659,798.55/910,497.18 = 373,324.83/x
  3. Step 3: Cross multiply
    659,798.55x = 910,497.18 × 373,324.83
  4. Step 4: Simplify right side
    659,798.55x = 339,911,204,938.98
  5. Step 5: Solve for x
    x = 339,911,204,938.98/659,798.55
  6. Step 6: Final answer
    x = 515,174.22

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Double scale
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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.