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Finding the Fourth Proportional to 353,075.60, 529,840.20 and 195,417.20

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Solution

The fourth proportional to 353,075.60, 529,840.20 and 195,417.20 is: 293,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,075.60 : 529,840.20 = 195,417.20 : x
  2. Step 2: Convert to fraction form
    353,075.60/529,840.20 = 195,417.20/x
  3. Step 3: Cross multiply
    353,075.60x = 529,840.20 × 195,417.20
  4. Step 4: Simplify right side
    353,075.60x = 103,539,888,331.44
  5. Step 5: Solve for x
    x = 103,539,888,331.44/353,075.60
  6. Step 6: Final answer
    x = 293,251.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.