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Finding the Fourth Proportional to 848,895, 1,171,641.52 and 486,561.76

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Solution

The fourth proportional to 848,895, 1,171,641.52 and 486,561.76 is: 671,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,895 : 1,171,641.52 = 486,561.76 : x
  2. Step 2: Convert to fraction form
    848,895/1,171,641.52 = 486,561.76/x
  3. Step 3: Cross multiply
    848,895x = 1,171,641.52 × 486,561.76
  4. Step 4: Simplify right side
    848,895x = 570,075,960,060.28
  5. Step 5: Solve for x
    x = 570,075,960,060.28/848,895
  6. Step 6: Final answer
    x = 671,550.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.