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Finding the Fourth Proportional to 353,551, 530,342.96 and 100,848.84

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Solution

The fourth proportional to 353,551, 530,342.96 and 100,848.84 is: 151,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,551 : 530,342.96 = 100,848.84 : x
  2. Step 2: Convert to fraction form
    353,551/530,342.96 = 100,848.84/x
  3. Step 3: Cross multiply
    353,551x = 530,342.96 × 100,848.84
  4. Step 4: Simplify right side
    353,551x = 53,484,472,318.17
  5. Step 5: Solve for x
    x = 53,484,472,318.17/353,551
  6. Step 6: Final answer
    x = 151,277.96

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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.