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Finding the Fourth Proportional to 548,045.94, 756,319.33 and 299,702.49

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Solution

The fourth proportional to 548,045.94, 756,319.33 and 299,702.49 is: 413,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,045.94 : 756,319.33 = 299,702.49 : x
  2. Step 2: Convert to fraction form
    548,045.94/756,319.33 = 299,702.49/x
  3. Step 3: Cross multiply
    548,045.94x = 756,319.33 × 299,702.49
  4. Step 4: Simplify right side
    548,045.94x = 226,670,784,937.62
  5. Step 5: Solve for x
    x = 226,670,784,937.62/548,045.94
  6. Step 6: Final answer
    x = 413,598.15

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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.