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Finding the Fourth Proportional to 601,634.22, 830,254.50 and 329,719.20

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Solution

The fourth proportional to 601,634.22, 830,254.50 and 329,719.20 is: 455,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,634.22 : 830,254.50 = 329,719.20 : x
  2. Step 2: Convert to fraction form
    601,634.22/830,254.50 = 329,719.20/x
  3. Step 3: Cross multiply
    601,634.22x = 830,254.50 × 329,719.20
  4. Step 4: Simplify right side
    601,634.22x = 273,750,849,536.40
  5. Step 5: Solve for x
    x = 273,750,849,536.40/601,634.22
  6. Step 6: Final answer
    x = 455,012.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.