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Finding the Fourth Proportional to 1,791,804.40, 2,687,706.60 and 1,654,946.80

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Solution

The fourth proportional to 1,791,804.40, 2,687,706.60 and 1,654,946.80 is: 2,482,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,804.40 : 2,687,706.60 = 1,654,946.80 : x
  2. Step 2: Convert to fraction form
    1,791,804.40/2,687,706.60 = 1,654,946.80/x
  3. Step 3: Cross multiply
    1,791,804.40x = 2,687,706.60 × 1,654,946.80
  4. Step 4: Simplify right side
    1,791,804.40x = 4,448,011,437,008.88
  5. Step 5: Solve for x
    x = 4,448,011,437,008.88/1,791,804.40
  6. Step 6: Final answer
    x = 2,482,420.20

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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.