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Finding the Fourth Proportional to 528,360.40, 792,652.38 and 173,344.69

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Solution

The fourth proportional to 528,360.40, 792,652.38 and 173,344.69 is: 260,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,360.40 : 792,652.38 = 173,344.69 : x
  2. Step 2: Convert to fraction form
    528,360.40/792,652.38 = 173,344.69/x
  3. Step 3: Cross multiply
    528,360.40x = 792,652.38 × 173,344.69
  4. Step 4: Simplify right side
    528,360.40x = 137,402,081,088.86
  5. Step 5: Solve for x
    x = 137,402,081,088.86/528,360.40
  6. Step 6: Final answer
    x = 260,053.71

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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.