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Finding the Fourth Proportional to 528,140.00, 792,367.88 and 374,561.87

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Solution

The fourth proportional to 528,140.00, 792,367.88 and 374,561.87 is: 561,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,140.00 : 792,367.88 = 374,561.87 : x
  2. Step 2: Convert to fraction form
    528,140.00/792,367.88 = 374,561.87/x
  3. Step 3: Cross multiply
    528,140.00x = 792,367.88 × 374,561.87
  4. Step 4: Simplify right side
    528,140.00x = 296,790,791,835.30
  5. Step 5: Solve for x
    x = 296,790,791,835.30/528,140.00
  6. Step 6: Final answer
    x = 561,954.77

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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.