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Finding the Fourth Proportional to 525,984, 788,808.96 and 170,915.84

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Solution

The fourth proportional to 525,984, 788,808.96 and 170,915.84 is: 256,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,984 : 788,808.96 = 170,915.84 : x
  2. Step 2: Convert to fraction form
    525,984/788,808.96 = 170,915.84/x
  3. Step 3: Cross multiply
    525,984x = 788,808.96 × 170,915.84
  4. Step 4: Simplify right side
    525,984x = 134,819,945,997.93
  5. Step 5: Solve for x
    x = 134,819,945,997.93/525,984
  6. Step 6: Final answer
    x = 256,319.48

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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.