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Finding the Fourth Proportional to 347,431.83, 521,237.59 and 203,459.23

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Solution

The fourth proportional to 347,431.83, 521,237.59 and 203,459.23 is: 305,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,431.83 : 521,237.59 = 203,459.23 : x
  2. Step 2: Convert to fraction form
    347,431.83/521,237.59 = 203,459.23/x
  3. Step 3: Cross multiply
    347,431.83x = 521,237.59 × 203,459.23
  4. Step 4: Simplify right side
    347,431.83x = 106,050,595,084.97
  5. Step 5: Solve for x
    x = 106,050,595,084.97/347,431.83
  6. Step 6: Final answer
    x = 305,241.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.