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Finding the Fourth Proportional to 432,868.70, 597,525.54 and 387,466.58

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Solution

The fourth proportional to 432,868.70, 597,525.54 and 387,466.58 is: 534,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,868.70 : 597,525.54 = 387,466.58 : x
  2. Step 2: Convert to fraction form
    432,868.70/597,525.54 = 387,466.58/x
  3. Step 3: Cross multiply
    432,868.70x = 597,525.54 × 387,466.58
  4. Step 4: Simplify right side
    432,868.70x = 231,521,177,446.45
  5. Step 5: Solve for x
    x = 231,521,177,446.45/432,868.70
  6. Step 6: Final answer
    x = 534,853.13

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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.