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Finding the Fourth Proportional to 531,841.08, 734,059.04 and 338,209.55

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Solution

The fourth proportional to 531,841.08, 734,059.04 and 338,209.55 is: 466,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,841.08 : 734,059.04 = 338,209.55 : x
  2. Step 2: Convert to fraction form
    531,841.08/734,059.04 = 338,209.55/x
  3. Step 3: Cross multiply
    531,841.08x = 734,059.04 × 338,209.55
  4. Step 4: Simplify right side
    531,841.08x = 248,265,772,230.49
  5. Step 5: Solve for x
    x = 248,265,772,230.49/531,841.08
  6. Step 6: Final answer
    x = 466,804.43

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Double scale
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Similar ratio
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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.