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Finding the Fourth Proportional to 330,641.84, 495,775.98 and 302,429.52

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Solution

The fourth proportional to 330,641.84, 495,775.98 and 302,429.52 is: 453,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,641.84 : 495,775.98 = 302,429.52 : x
  2. Step 2: Convert to fraction form
    330,641.84/495,775.98 = 302,429.52/x
  3. Step 3: Cross multiply
    330,641.84x = 495,775.98 × 302,429.52
  4. Step 4: Simplify right side
    330,641.84x = 149,937,291,658.93
  5. Step 5: Solve for x
    x = 149,937,291,658.93/330,641.84
  6. Step 6: Final answer
    x = 453,473.44

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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.