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Finding the Fourth Proportional to 433,337.28, 649,473.53 and 243,398.38

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Solution

The fourth proportional to 433,337.28, 649,473.53 and 243,398.38 is: 364,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,337.28 : 649,473.53 = 243,398.38 : x
  2. Step 2: Convert to fraction form
    433,337.28/649,473.53 = 243,398.38/x
  3. Step 3: Cross multiply
    433,337.28x = 649,473.53 × 243,398.38
  4. Step 4: Simplify right side
    433,337.28x = 158,080,804,087.29
  5. Step 5: Solve for x
    x = 158,080,804,087.29/433,337.28
  6. Step 6: Final answer
    x = 364,798.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.