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Finding the Fourth Proportional to 647,032.04, 892,907.72 and 375,261

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Solution

The fourth proportional to 647,032.04, 892,907.72 and 375,261 is: 517,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,032.04 : 892,907.72 = 375,261 : x
  2. Step 2: Convert to fraction form
    647,032.04/892,907.72 = 375,261/x
  3. Step 3: Cross multiply
    647,032.04x = 892,907.72 × 375,261
  4. Step 4: Simplify right side
    647,032.04x = 335,073,443,914.92
  5. Step 5: Solve for x
    x = 335,073,443,914.92/647,032.04
  6. Step 6: Final answer
    x = 517,862.21

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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.