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Finding the Fourth Proportional to 617,124.30, 925,505.01 and 262,135.50

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Solution

The fourth proportional to 617,124.30, 925,505.01 and 262,135.50 is: 393,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,124.30 : 925,505.01 = 262,135.50 : x
  2. Step 2: Convert to fraction form
    617,124.30/925,505.01 = 262,135.50/x
  3. Step 3: Cross multiply
    617,124.30x = 925,505.01 × 262,135.50
  4. Step 4: Simplify right side
    617,124.30x = 242,607,718,548.86
  5. Step 5: Solve for x
    x = 242,607,718,548.86/617,124.30
  6. Step 6: Final answer
    x = 393,126.18

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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.