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Finding the Fourth Proportional to 530,256.78, 795,509.70 and 175,270.79

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Solution

The fourth proportional to 530,256.78, 795,509.70 and 175,270.79 is: 262,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,256.78 : 795,509.70 = 175,270.79 : x
  2. Step 2: Convert to fraction form
    530,256.78/795,509.70 = 175,270.79/x
  3. Step 3: Cross multiply
    530,256.78x = 795,509.70 × 175,270.79
  4. Step 4: Simplify right side
    530,256.78x = 139,429,613,571.66
  5. Step 5: Solve for x
    x = 139,429,613,571.66/530,256.78
  6. Step 6: Final answer
    x = 262,947.35

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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.