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Finding the Fourth Proportional to 536,591.12, 740,334.26 and 321,652.76

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Solution

The fourth proportional to 536,591.12, 740,334.26 and 321,652.76 is: 443,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,591.12 : 740,334.26 = 321,652.76 : x
  2. Step 2: Convert to fraction form
    536,591.12/740,334.26 = 321,652.76/x
  3. Step 3: Cross multiply
    536,591.12x = 740,334.26 × 321,652.76
  4. Step 4: Simplify right side
    536,591.12x = 238,130,558,051.56
  5. Step 5: Solve for x
    x = 238,130,558,051.56/536,591.12
  6. Step 6: Final answer
    x = 443,784.01

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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.