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Finding the Fourth Proportional to 468,750.36, 646,915.26 and 264,838.74

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Solution

The fourth proportional to 468,750.36, 646,915.26 and 264,838.74 is: 365,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,750.36 : 646,915.26 = 264,838.74 : x
  2. Step 2: Convert to fraction form
    468,750.36/646,915.26 = 264,838.74/x
  3. Step 3: Cross multiply
    468,750.36x = 646,915.26 × 264,838.74
  4. Step 4: Simplify right side
    468,750.36x = 171,328,222,345.17
  5. Step 5: Solve for x
    x = 171,328,222,345.17/468,750.36
  6. Step 6: Final answer
    x = 365,499.93

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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.