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Finding the Fourth Proportional to 634,661.48, 951,947.56 and 297,776

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Solution

The fourth proportional to 634,661.48, 951,947.56 and 297,776 is: 446,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,661.48 : 951,947.56 = 297,776 : x
  2. Step 2: Convert to fraction form
    634,661.48/951,947.56 = 297,776/x
  3. Step 3: Cross multiply
    634,661.48x = 951,947.56 × 297,776
  4. Step 4: Simplify right side
    634,661.48x = 283,467,136,626.56
  5. Step 5: Solve for x
    x = 283,467,136,626.56/634,661.48
  6. Step 6: Final answer
    x = 446,643.05

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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.