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Finding the Fourth Proportional to 535,999.38, 739,680.59 and 294,297.60

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Solution

The fourth proportional to 535,999.38, 739,680.59 and 294,297.60 is: 406,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,999.38 : 739,680.59 = 294,297.60 : x
  2. Step 2: Convert to fraction form
    535,999.38/739,680.59 = 294,297.60/x
  3. Step 3: Cross multiply
    535,999.38x = 739,680.59 × 294,297.60
  4. Step 4: Simplify right side
    535,999.38x = 217,686,225,913.13
  5. Step 5: Solve for x
    x = 217,686,225,913.13/535,999.38
  6. Step 6: Final answer
    x = 406,131.49

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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.