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Finding the Fourth Proportional to 302,564.55, 453,846.83 and 288,049.35

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Solution

The fourth proportional to 302,564.55, 453,846.83 and 288,049.35 is: 432,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,564.55 : 453,846.83 = 288,049.35 : x
  2. Step 2: Convert to fraction form
    302,564.55/453,846.83 = 288,049.35/x
  3. Step 3: Cross multiply
    302,564.55x = 453,846.83 × 288,049.35
  4. Step 4: Simplify right side
    302,564.55x = 130,730,282,940.81
  5. Step 5: Solve for x
    x = 130,730,282,940.81/302,564.55
  6. Step 6: Final answer
    x = 432,074.03

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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.