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Finding the Fourth Proportional to 528,059.55, 792,089.33 and 248,123.55

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Solution

The fourth proportional to 528,059.55, 792,089.33 and 248,123.55 is: 372,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,059.55 : 792,089.33 = 248,123.55 : x
  2. Step 2: Convert to fraction form
    528,059.55/792,089.33 = 248,123.55/x
  3. Step 3: Cross multiply
    528,059.55x = 792,089.33 × 248,123.55
  4. Step 4: Simplify right side
    528,059.55x = 196,536,016,476.72
  5. Step 5: Solve for x
    x = 196,536,016,476.72/528,059.55
  6. Step 6: Final answer
    x = 372,185.33

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Double scale
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Similar ratio
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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.