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Finding the Fourth Proportional to 303,750.84, 415,533.30 and 302,471.46

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Solution

The fourth proportional to 303,750.84, 415,533.30 and 302,471.46 is: 413,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,750.84 : 415,533.30 = 302,471.46 : x
  2. Step 2: Convert to fraction form
    303,750.84/415,533.30 = 302,471.46/x
  3. Step 3: Cross multiply
    303,750.84x = 415,533.30 × 302,471.46
  4. Step 4: Simplify right side
    303,750.84x = 125,686,963,929.62
  5. Step 5: Solve for x
    x = 125,686,963,929.62/303,750.84
  6. Step 6: Final answer
    x = 413,783.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.