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Finding the Fourth Proportional to 530,256.78, 795,509.76 and 175,270.83

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Solution

The fourth proportional to 530,256.78, 795,509.76 and 175,270.83 is: 262,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,256.78 : 795,509.76 = 175,270.83 : x
  2. Step 2: Convert to fraction form
    530,256.78/795,509.76 = 175,270.83/x
  3. Step 3: Cross multiply
    530,256.78x = 795,509.76 × 175,270.83
  4. Step 4: Simplify right side
    530,256.78x = 139,429,655,908.30
  5. Step 5: Solve for x
    x = 139,429,655,908.30/530,256.78
  6. Step 6: Final answer
    x = 262,947.43

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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.