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Finding the Fourth Proportional to 525,372.48, 788,369.76 and 193,181.76

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Solution

The fourth proportional to 525,372.48, 788,369.76 and 193,181.76 is: 289,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,372.48 : 788,369.76 = 193,181.76 : x
  2. Step 2: Convert to fraction form
    525,372.48/788,369.76 = 193,181.76/x
  3. Step 3: Cross multiply
    525,372.48x = 788,369.76 × 193,181.76
  4. Step 4: Simplify right side
    525,372.48x = 152,298,657,767.58
  5. Step 5: Solve for x
    x = 152,298,657,767.58/525,372.48
  6. Step 6: Final answer
    x = 289,887.01

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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.