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Finding the Fourth Proportional to 544,483.86, 751,277.07 and 318,085.62

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Solution

The fourth proportional to 544,483.86, 751,277.07 and 318,085.62 is: 438,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,483.86 : 751,277.07 = 318,085.62 : x
  2. Step 2: Convert to fraction form
    544,483.86/751,277.07 = 318,085.62/x
  3. Step 3: Cross multiply
    544,483.86x = 751,277.07 × 318,085.62
  4. Step 4: Simplify right side
    544,483.86x = 238,970,432,602.73
  5. Step 5: Solve for x
    x = 238,970,432,602.73/544,483.86
  6. Step 6: Final answer
    x = 438,893.51

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Double scale
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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.