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Finding the Fourth Proportional to 1,977,607.98, 2,966,416.82 and 557,671.50

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Solution

The fourth proportional to 1,977,607.98, 2,966,416.82 and 557,671.50 is: 836,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,607.98 : 2,966,416.82 = 557,671.50 : x
  2. Step 2: Convert to fraction form
    1,977,607.98/2,966,416.82 = 557,671.50/x
  3. Step 3: Cross multiply
    1,977,607.98x = 2,966,416.82 × 557,671.50
  4. Step 4: Simplify right side
    1,977,607.98x = 1,654,286,117,634.63
  5. Step 5: Solve for x
    x = 1,654,286,117,634.63/1,977,607.98
  6. Step 6: Final answer
    x = 836,508.62

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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.