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Finding the Fourth Proportional to 525,820.22, 788,863.02 and 146,740.64

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Solution

The fourth proportional to 525,820.22, 788,863.02 and 146,740.64 is: 220,147.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,820.22 : 788,863.02 = 146,740.64 : x
  2. Step 2: Convert to fraction form
    525,820.22/788,863.02 = 146,740.64/x
  3. Step 3: Cross multiply
    525,820.22x = 788,863.02 × 146,740.64
  4. Step 4: Simplify right side
    525,820.22x = 115,758,264,427.13
  5. Step 5: Solve for x
    x = 115,758,264,427.13/525,820.22
  6. Step 6: Final answer
    x = 220,147.99

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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.