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Finding the Fourth Proportional to 451,702.56, 623,330.82 and 270,307.38

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Solution

The fourth proportional to 451,702.56, 623,330.82 and 270,307.38 is: 373,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,702.56 : 623,330.82 = 270,307.38 : x
  2. Step 2: Convert to fraction form
    451,702.56/623,330.82 = 270,307.38/x
  3. Step 3: Cross multiply
    451,702.56x = 623,330.82 × 270,307.38
  4. Step 4: Simplify right side
    451,702.56x = 168,490,920,827.45
  5. Step 5: Solve for x
    x = 168,490,920,827.45/451,702.56
  6. Step 6: Final answer
    x = 373,012.99

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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.