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Finding the Fourth Proportional to 482,078.80, 665,275.44 and 264,307.96

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Solution

The fourth proportional to 482,078.80, 665,275.44 and 264,307.96 is: 364,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,078.80 : 665,275.44 = 264,307.96 : x
  2. Step 2: Convert to fraction form
    482,078.80/665,275.44 = 264,307.96/x
  3. Step 3: Cross multiply
    482,078.80x = 665,275.44 × 264,307.96
  4. Step 4: Simplify right side
    482,078.80x = 175,837,594,384.50
  5. Step 5: Solve for x
    x = 175,837,594,384.50/482,078.80
  6. Step 6: Final answer
    x = 364,748.66

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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.