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Finding the Fourth Proportional to 882,429.21, 1,218,018.52 and 762,854.98

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Solution

The fourth proportional to 882,429.21, 1,218,018.52 and 762,854.98 is: 1,052,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,429.21 : 1,218,018.52 = 762,854.98 : x
  2. Step 2: Convert to fraction form
    882,429.21/1,218,018.52 = 762,854.98/x
  3. Step 3: Cross multiply
    882,429.21x = 1,218,018.52 × 762,854.98
  4. Step 4: Simplify right side
    882,429.21x = 929,171,493,714.23
  5. Step 5: Solve for x
    x = 929,171,493,714.23/882,429.21
  6. Step 6: Final answer
    x = 1,052,970.01

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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.