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Finding the Fourth Proportional to 463,485.60, 695,746.80 and 433,029.60

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Solution

The fourth proportional to 463,485.60, 695,746.80 and 433,029.60 is: 650,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,485.60 : 695,746.80 = 433,029.60 : x
  2. Step 2: Convert to fraction form
    463,485.60/695,746.80 = 433,029.60/x
  3. Step 3: Cross multiply
    463,485.60x = 695,746.80 × 433,029.60
  4. Step 4: Simplify right side
    463,485.60x = 301,278,958,505.28
  5. Step 5: Solve for x
    x = 301,278,958,505.28/463,485.60
  6. Step 6: Final answer
    x = 650,028.74

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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.