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Finding the Fourth Proportional to 555,700.64, 766,862.64 and 301,050

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Solution

The fourth proportional to 555,700.64, 766,862.64 and 301,050 is: 415,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,700.64 : 766,862.64 = 301,050 : x
  2. Step 2: Convert to fraction form
    555,700.64/766,862.64 = 301,050/x
  3. Step 3: Cross multiply
    555,700.64x = 766,862.64 × 301,050
  4. Step 4: Simplify right side
    555,700.64x = 230,863,997,772
  5. Step 5: Solve for x
    x = 230,863,997,772/555,700.64
  6. Step 6: Final answer
    x = 415,446.70

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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.