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Finding the Fourth Proportional to 328,005.15, 452,655.86 and 184,756.65

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Solution

The fourth proportional to 328,005.15, 452,655.86 and 184,756.65 is: 254,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,005.15 : 452,655.86 = 184,756.65 : x
  2. Step 2: Convert to fraction form
    328,005.15/452,655.86 = 184,756.65/x
  3. Step 3: Cross multiply
    328,005.15x = 452,655.86 × 184,756.65
  4. Step 4: Simplify right side
    328,005.15x = 83,631,179,372.69
  5. Step 5: Solve for x
    x = 83,631,179,372.69/328,005.15
  6. Step 6: Final answer
    x = 254,969.10

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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.