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Finding the Fourth Proportional to 543,081.44, 749,432.76 and 301,374.56

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Solution

The fourth proportional to 543,081.44, 749,432.76 and 301,374.56 is: 415,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,081.44 : 749,432.76 = 301,374.56 : x
  2. Step 2: Convert to fraction form
    543,081.44/749,432.76 = 301,374.56/x
  3. Step 3: Cross multiply
    543,081.44x = 749,432.76 × 301,374.56
  4. Step 4: Simplify right side
    543,081.44x = 225,859,968,294.59
  5. Step 5: Solve for x
    x = 225,859,968,294.59/543,081.44
  6. Step 6: Final answer
    x = 415,886.00

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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.