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Finding the Fourth Proportional to 525,900.60, 788,983.53 and 146,820.99

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Solution

The fourth proportional to 525,900.60, 788,983.53 and 146,820.99 is: 220,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,900.60 : 788,983.53 = 146,820.99 : x
  2. Step 2: Convert to fraction form
    525,900.60/788,983.53 = 146,820.99/x
  3. Step 3: Cross multiply
    525,900.60x = 788,983.53 × 146,820.99
  4. Step 4: Simplify right side
    525,900.60x = 115,839,342,968.30
  5. Step 5: Solve for x
    x = 115,839,342,968.30/525,900.60
  6. Step 6: Final answer
    x = 220,268.51

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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.