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Finding the Fourth Proportional to 295,699.60, 415,029.20 and 295,699.60

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Solution

The fourth proportional to 295,699.60, 415,029.20 and 295,699.60 is: 415,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,699.60 : 415,029.20 = 295,699.60 : x
  2. Step 2: Convert to fraction form
    295,699.60/415,029.20 = 295,699.60/x
  3. Step 3: Cross multiply
    295,699.60x = 415,029.20 × 295,699.60
  4. Step 4: Simplify right side
    295,699.60x = 122,723,968,428.32
  5. Step 5: Solve for x
    x = 122,723,968,428.32/295,699.60
  6. Step 6: Final answer
    x = 415,029.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.