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Finding the Fourth Proportional to 468,750.60, 646,915.59 and 264,838.95

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Solution

The fourth proportional to 468,750.60, 646,915.59 and 264,838.95 is: 365,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,750.60 : 646,915.59 = 264,838.95 : x
  2. Step 2: Convert to fraction form
    468,750.60/646,915.59 = 264,838.95/x
  3. Step 3: Cross multiply
    468,750.60x = 646,915.59 × 264,838.95
  4. Step 4: Simplify right side
    468,750.60x = 171,328,445,594.23
  5. Step 5: Solve for x
    x = 171,328,445,594.23/468,750.60
  6. Step 6: Final answer
    x = 365,500.22

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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.