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Finding the Fourth Proportional to 528,955.70, 793,271.55 and 173,887.70

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Solution

The fourth proportional to 528,955.70, 793,271.55 and 173,887.70 is: 260,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,955.70 : 793,271.55 = 173,887.70 : x
  2. Step 2: Convert to fraction form
    528,955.70/793,271.55 = 173,887.70/x
  3. Step 3: Cross multiply
    528,955.70x = 793,271.55 × 173,887.70
  4. Step 4: Simplify right side
    528,955.70x = 137,940,165,304.94
  5. Step 5: Solve for x
    x = 137,940,165,304.94/528,955.70
  6. Step 6: Final answer
    x = 260,778.29

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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.