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Finding the Fourth Proportional to 245,915.20, 368,872.80 and 175,056.40

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Solution

The fourth proportional to 245,915.20, 368,872.80 and 175,056.40 is: 262,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,915.20 : 368,872.80 = 175,056.40 : x
  2. Step 2: Convert to fraction form
    245,915.20/368,872.80 = 175,056.40/x
  3. Step 3: Cross multiply
    245,915.20x = 368,872.80 × 175,056.40
  4. Step 4: Simplify right side
    245,915.20x = 64,573,544,425.92
  5. Step 5: Solve for x
    x = 64,573,544,425.92/245,915.20
  6. Step 6: Final answer
    x = 262,584.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.