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Finding the Fourth Proportional to 570,775.98, 787,676.64 and 344,377.74

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Solution

The fourth proportional to 570,775.98, 787,676.64 and 344,377.74 is: 475,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,775.98 : 787,676.64 = 344,377.74 : x
  2. Step 2: Convert to fraction form
    570,775.98/787,676.64 = 344,377.74/x
  3. Step 3: Cross multiply
    570,775.98x = 787,676.64 × 344,377.74
  4. Step 4: Simplify right side
    570,775.98x = 271,258,296,888.79
  5. Step 5: Solve for x
    x = 271,258,296,888.79/570,775.98
  6. Step 6: Final answer
    x = 475,244.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.