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Finding the Fourth Proportional to 525,066.60, 788,183.10 and 325,612.20

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Solution

The fourth proportional to 525,066.60, 788,183.10 and 325,612.20 is: 488,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,066.60 : 788,183.10 = 325,612.20 : x
  2. Step 2: Convert to fraction form
    525,066.60/788,183.10 = 325,612.20/x
  3. Step 3: Cross multiply
    525,066.60x = 788,183.10 × 325,612.20
  4. Step 4: Simplify right side
    525,066.60x = 256,642,033,193.82
  5. Step 5: Solve for x
    x = 256,642,033,193.82/525,066.60
  6. Step 6: Final answer
    x = 488,779.96

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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.