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Finding the Fourth Proportional to 617,501.80, 925,768.86 and 243,804.52

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Solution

The fourth proportional to 617,501.80, 925,768.86 and 243,804.52 is: 365,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,501.80 : 925,768.86 = 243,804.52 : x
  2. Step 2: Convert to fraction form
    617,501.80/925,768.86 = 243,804.52/x
  3. Step 3: Cross multiply
    617,501.80x = 925,768.86 × 243,804.52
  4. Step 4: Simplify right side
    617,501.80x = 225,706,632,543.25
  5. Step 5: Solve for x
    x = 225,706,632,543.25/617,501.80
  6. Step 6: Final answer
    x = 365,515.75

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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.