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Finding the Fourth Proportional to 465,783.84, 698,675.76 and 371,849.76

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Solution

The fourth proportional to 465,783.84, 698,675.76 and 371,849.76 is: 557,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,783.84 : 698,675.76 = 371,849.76 : x
  2. Step 2: Convert to fraction form
    465,783.84/698,675.76 = 371,849.76/x
  3. Step 3: Cross multiply
    465,783.84x = 698,675.76 × 371,849.76
  4. Step 4: Simplify right side
    465,783.84x = 259,802,413,673.82
  5. Step 5: Solve for x
    x = 259,802,413,673.82/465,783.84
  6. Step 6: Final answer
    x = 557,774.64

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Similar ratio
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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.