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Finding the Fourth Proportional to 507,785.80, 700,819.02 and 292,883.89

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Solution

The fourth proportional to 507,785.80, 700,819.02 and 292,883.89 is: 404,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,785.80 : 700,819.02 = 292,883.89 : x
  2. Step 2: Convert to fraction form
    507,785.80/700,819.02 = 292,883.89/x
  3. Step 3: Cross multiply
    507,785.80x = 700,819.02 × 292,883.89
  4. Step 4: Simplify right side
    507,785.80x = 205,258,600,763.59
  5. Step 5: Solve for x
    x = 205,258,600,763.59/507,785.80
  6. Step 6: Final answer
    x = 404,222.81

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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.