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Finding the Fourth Proportional to 289,323.70, 433,985.55 and 184,218.10

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Solution

The fourth proportional to 289,323.70, 433,985.55 and 184,218.10 is: 276,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,323.70 : 433,985.55 = 184,218.10 : x
  2. Step 2: Convert to fraction form
    289,323.70/433,985.55 = 184,218.10/x
  3. Step 3: Cross multiply
    289,323.70x = 433,985.55 × 184,218.10
  4. Step 4: Simplify right side
    289,323.70x = 79,947,993,448.46
  5. Step 5: Solve for x
    x = 79,947,993,448.46/289,323.70
  6. Step 6: Final answer
    x = 276,327.15

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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.