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Finding the Fourth Proportional to 320,984.72, 481,557.04 and 96,349.32

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Solution

The fourth proportional to 320,984.72, 481,557.04 and 96,349.32 is: 144,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,984.72 : 481,557.04 = 96,349.32 : x
  2. Step 2: Convert to fraction form
    320,984.72/481,557.04 = 96,349.32/x
  3. Step 3: Cross multiply
    320,984.72x = 481,557.04 × 96,349.32
  4. Step 4: Simplify right side
    320,984.72x = 46,397,693,345.21
  5. Step 5: Solve for x
    x = 46,397,693,345.21/320,984.72
  6. Step 6: Final answer
    x = 144,547.98

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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.