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Finding the Fourth Proportional to 528,402, 792,436.60 and 173,333.52

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Solution

The fourth proportional to 528,402, 792,436.60 and 173,333.52 is: 259,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,402 : 792,436.60 = 173,333.52 : x
  2. Step 2: Convert to fraction form
    528,402/792,436.60 = 173,333.52/x
  3. Step 3: Cross multiply
    528,402x = 792,436.60 × 173,333.52
  4. Step 4: Simplify right side
    528,402x = 137,355,825,254.83
  5. Step 5: Solve for x
    x = 137,355,825,254.83/528,402
  6. Step 6: Final answer
    x = 259,945.70

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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.