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Finding the Fourth Proportional to 525,868.54, 788,522.16 and 272,894.32

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Solution

The fourth proportional to 525,868.54, 788,522.16 and 272,894.32 is: 409,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,868.54 : 788,522.16 = 272,894.32 : x
  2. Step 2: Convert to fraction form
    525,868.54/788,522.16 = 272,894.32/x
  3. Step 3: Cross multiply
    525,868.54x = 788,522.16 × 272,894.32
  4. Step 4: Simplify right side
    525,868.54x = 215,183,218,658.13
  5. Step 5: Solve for x
    x = 215,183,218,658.13/525,868.54
  6. Step 6: Final answer
    x = 409,195.84

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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.