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Finding the Fourth Proportional to 674,554.44, 930,848.58 and 372,729

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Solution

The fourth proportional to 674,554.44, 930,848.58 and 372,729 is: 514,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,554.44 : 930,848.58 = 372,729 : x
  2. Step 2: Convert to fraction form
    674,554.44/930,848.58 = 372,729/x
  3. Step 3: Cross multiply
    674,554.44x = 930,848.58 × 372,729
  4. Step 4: Simplify right side
    674,554.44x = 346,954,260,374.82
  5. Step 5: Solve for x
    x = 346,954,260,374.82/674,554.44
  6. Step 6: Final answer
    x = 514,345.83

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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.