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Finding the Fourth Proportional to 323,004.98, 445,646.54 and 183,280.66

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Solution

The fourth proportional to 323,004.98, 445,646.54 and 183,280.66 is: 252,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,004.98 : 445,646.54 = 183,280.66 : x
  2. Step 2: Convert to fraction form
    323,004.98/445,646.54 = 183,280.66/x
  3. Step 3: Cross multiply
    323,004.98x = 445,646.54 × 183,280.66
  4. Step 4: Simplify right side
    323,004.98x = 81,678,391,322.00
  5. Step 5: Solve for x
    x = 81,678,391,322.00/323,004.98
  6. Step 6: Final answer
    x = 252,870.38

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1.5x scale

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.