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Finding the Fourth Proportional to 350,984, 526,352.83 and 98,196.57

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Solution

The fourth proportional to 350,984, 526,352.83 and 98,196.57 is: 147,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,984 : 526,352.83 = 98,196.57 : x
  2. Step 2: Convert to fraction form
    350,984/526,352.83 = 98,196.57/x
  3. Step 3: Cross multiply
    350,984x = 526,352.83 × 98,196.57
  4. Step 4: Simplify right side
    350,984x = 51,686,042,515.79
  5. Step 5: Solve for x
    x = 51,686,042,515.79/350,984
  6. Step 6: Final answer
    x = 147,260.40

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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.