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Finding the Fourth Proportional to 534,883.55, 738,220.62 and 341,374.76

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Solution

The fourth proportional to 534,883.55, 738,220.62 and 341,374.76 is: 471,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,883.55 : 738,220.62 = 341,374.76 : x
  2. Step 2: Convert to fraction form
    534,883.55/738,220.62 = 341,374.76/x
  3. Step 3: Cross multiply
    534,883.55x = 738,220.62 × 341,374.76
  4. Step 4: Simplify right side
    534,883.55x = 252,009,886,979.55
  5. Step 5: Solve for x
    x = 252,009,886,979.55/534,883.55
  6. Step 6: Final answer
    x = 471,149.07

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1.5x scale

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.