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Finding the Fourth Proportional to 1,773,977.60, 2,660,966.40 and 651,900.80

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Solution

The fourth proportional to 1,773,977.60, 2,660,966.40 and 651,900.80 is: 977,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,977.60 : 2,660,966.40 = 651,900.80 : x
  2. Step 2: Convert to fraction form
    1,773,977.60/2,660,966.40 = 651,900.80/x
  3. Step 3: Cross multiply
    1,773,977.60x = 2,660,966.40 × 651,900.80
  4. Step 4: Simplify right side
    1,773,977.60x = 1,734,686,124,933.12
  5. Step 5: Solve for x
    x = 1,734,686,124,933.12/1,773,977.60
  6. Step 6: Final answer
    x = 977,851.20

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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.