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Finding the Fourth Proportional to 1,948,560.40, 2,923,283.40 and 883,907.20

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Solution

The fourth proportional to 1,948,560.40, 2,923,283.40 and 883,907.20 is: 1,326,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,560.40 : 2,923,283.40 = 883,907.20 : x
  2. Step 2: Convert to fraction form
    1,948,560.40/2,923,283.40 = 883,907.20/x
  3. Step 3: Cross multiply
    1,948,560.40x = 2,923,283.40 × 883,907.20
  4. Step 4: Simplify right side
    1,948,560.40x = 2,583,911,244,900.48
  5. Step 5: Solve for x
    x = 2,583,911,244,900.48/1,948,560.40
  6. Step 6: Final answer
    x = 1,326,061.66

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Why These Related Problems?

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