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Finding the Fourth Proportional to 319,812.94, 441,341.74 and 183,873.46

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Solution

The fourth proportional to 319,812.94, 441,341.74 and 183,873.46 is: 253,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,812.94 : 441,341.74 = 183,873.46 : x
  2. Step 2: Convert to fraction form
    319,812.94/441,341.74 = 183,873.46/x
  3. Step 3: Cross multiply
    319,812.94x = 441,341.74 × 183,873.46
  4. Step 4: Simplify right side
    319,812.94x = 81,151,031,213.18
  5. Step 5: Solve for x
    x = 81,151,031,213.18/319,812.94
  6. Step 6: Final answer
    x = 253,745.30

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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.