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Finding the Fourth Proportional to 848,928, 1,171,687.02 and 486,594.72

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Solution

The fourth proportional to 848,928, 1,171,687.02 and 486,594.72 is: 671,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,928 : 1,171,687.02 = 486,594.72 : x
  2. Step 2: Convert to fraction form
    848,928/1,171,687.02 = 486,594.72/x
  3. Step 3: Cross multiply
    848,928x = 1,171,687.02 × 486,594.72
  4. Step 4: Simplify right side
    848,928x = 570,136,717,424.53
  5. Step 5: Solve for x
    x = 570,136,717,424.53/848,928
  6. Step 6: Final answer
    x = 671,596.08

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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.