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Finding the Fourth Proportional to 530,141.88, 731,223.18 and 348,795.84

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Solution

The fourth proportional to 530,141.88, 731,223.18 and 348,795.84 is: 481,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,141.88 : 731,223.18 = 348,795.84 : x
  2. Step 2: Convert to fraction form
    530,141.88/731,223.18 = 348,795.84/x
  3. Step 3: Cross multiply
    530,141.88x = 731,223.18 × 348,795.84
  4. Step 4: Simplify right side
    530,141.88x = 255,047,603,295.57
  5. Step 5: Solve for x
    x = 255,047,603,295.57/530,141.88
  6. Step 6: Final answer
    x = 481,093.11

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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.