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Finding the Fourth Proportional to 525,114.60, 788,622.30 and 459,796.20

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Solution

The fourth proportional to 525,114.60, 788,622.30 and 459,796.20 is: 690,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,114.60 : 788,622.30 = 459,796.20 : x
  2. Step 2: Convert to fraction form
    525,114.60/788,622.30 = 459,796.20/x
  3. Step 3: Cross multiply
    525,114.60x = 788,622.30 × 459,796.20
  4. Step 4: Simplify right side
    525,114.60x = 362,605,536,775.26
  5. Step 5: Solve for x
    x = 362,605,536,775.26/525,114.60
  6. Step 6: Final answer
    x = 690,526.48

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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.