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Finding the Fourth Proportional to 525,337.60, 788,589.60 and 325,883.20

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Solution

The fourth proportional to 525,337.60, 788,589.60 and 325,883.20 is: 489,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,337.60 : 788,589.60 = 325,883.20 : x
  2. Step 2: Convert to fraction form
    525,337.60/788,589.60 = 325,883.20/x
  3. Step 3: Cross multiply
    525,337.60x = 788,589.60 × 325,883.20
  4. Step 4: Simplify right side
    525,337.60x = 256,988,102,334.72
  5. Step 5: Solve for x
    x = 256,988,102,334.72/525,337.60
  6. Step 6: Final answer
    x = 489,186.58

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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.