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Finding the Fourth Proportional to 302,582.80, 453,874.20 and 288,804.70

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Solution

The fourth proportional to 302,582.80, 453,874.20 and 288,804.70 is: 433,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,582.80 : 453,874.20 = 288,804.70 : x
  2. Step 2: Convert to fraction form
    302,582.80/453,874.20 = 288,804.70/x
  3. Step 3: Cross multiply
    302,582.80x = 453,874.20 × 288,804.70
  4. Step 4: Simplify right side
    302,582.80x = 131,081,002,168.74
  5. Step 5: Solve for x
    x = 131,081,002,168.74/302,582.80
  6. Step 6: Final answer
    x = 433,207.05

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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.