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Finding the Fourth Proportional to 503,829.92, 695,360.88 and 382,772

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Solution

The fourth proportional to 503,829.92, 695,360.88 and 382,772 is: 528,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,829.92 : 695,360.88 = 382,772 : x
  2. Step 2: Convert to fraction form
    503,829.92/695,360.88 = 382,772/x
  3. Step 3: Cross multiply
    503,829.92x = 695,360.88 × 382,772
  4. Step 4: Simplify right side
    503,829.92x = 266,164,674,759.36
  5. Step 5: Solve for x
    x = 266,164,674,759.36/503,829.92
  6. Step 6: Final answer
    x = 528,282.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.