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Finding the Fourth Proportional to 525,110.40, 786,758.40 and 244,051.20

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Solution

The fourth proportional to 525,110.40, 786,758.40 and 244,051.20 is: 365,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,110.40 : 786,758.40 = 244,051.20 : x
  2. Step 2: Convert to fraction form
    525,110.40/786,758.40 = 244,051.20/x
  3. Step 3: Cross multiply
    525,110.40x = 786,758.40 × 244,051.20
  4. Step 4: Simplify right side
    525,110.40x = 192,009,331,630.08
  5. Step 5: Solve for x
    x = 192,009,331,630.08/525,110.40
  6. Step 6: Final answer
    x = 365,655.17

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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.