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Finding the Fourth Proportional to 528,557.76, 792,863.28 and 149,505.60

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Solution

The fourth proportional to 528,557.76, 792,863.28 and 149,505.60 is: 224,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,557.76 : 792,863.28 = 149,505.60 : x
  2. Step 2: Convert to fraction form
    528,557.76/792,863.28 = 149,505.60/x
  3. Step 3: Cross multiply
    528,557.76x = 792,863.28 × 149,505.60
  4. Step 4: Simplify right side
    528,557.76x = 118,537,500,394.37
  5. Step 5: Solve for x
    x = 118,537,500,394.37/528,557.76
  6. Step 6: Final answer
    x = 224,265.94

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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.