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Finding the Fourth Proportional to 536,013.12, 739,699.56 and 294,311.34

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Solution

The fourth proportional to 536,013.12, 739,699.56 and 294,311.34 is: 406,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,013.12 : 739,699.56 = 294,311.34 : x
  2. Step 2: Convert to fraction form
    536,013.12/739,699.56 = 294,311.34/x
  3. Step 3: Cross multiply
    536,013.12x = 739,699.56 × 294,311.34
  4. Step 4: Simplify right side
    536,013.12x = 217,701,968,701.01
  5. Step 5: Solve for x
    x = 217,701,968,701.01/536,013.12
  6. Step 6: Final answer
    x = 406,150.45

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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.