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Finding the Fourth Proportional to 536,053.04, 739,777.32 and 321,188.49

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Solution

The fourth proportional to 536,053.04, 739,777.32 and 321,188.49 is: 443,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,053.04 : 739,777.32 = 321,188.49 : x
  2. Step 2: Convert to fraction form
    536,053.04/739,777.32 = 321,188.49/x
  3. Step 3: Cross multiply
    536,053.04x = 739,777.32 × 321,188.49
  4. Step 4: Simplify right side
    536,053.04x = 237,607,960,347.05
  5. Step 5: Solve for x
    x = 237,607,960,347.05/536,053.04
  6. Step 6: Final answer
    x = 443,254.57

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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.