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Finding the Fourth Proportional to 284,915.58, 427,215.53 and 116,554.07

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Solution

The fourth proportional to 284,915.58, 427,215.53 and 116,554.07 is: 174,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,915.58 : 427,215.53 = 116,554.07 : x
  2. Step 2: Convert to fraction form
    284,915.58/427,215.53 = 116,554.07/x
  3. Step 3: Cross multiply
    284,915.58x = 427,215.53 × 116,554.07
  4. Step 4: Simplify right side
    284,915.58x = 49,793,710,148.13
  5. Step 5: Solve for x
    x = 49,793,710,148.13/284,915.58
  6. Step 6: Final answer
    x = 174,766.54

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1.5x scale

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.