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Finding the Fourth Proportional to 536,435.32, 804,803.58 and 157,365

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Solution

The fourth proportional to 536,435.32, 804,803.58 and 157,365 is: 236,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,435.32 : 804,803.58 = 157,365 : x
  2. Step 2: Convert to fraction form
    536,435.32/804,803.58 = 157,365/x
  3. Step 3: Cross multiply
    536,435.32x = 804,803.58 × 157,365
  4. Step 4: Simplify right side
    536,435.32x = 126,647,915,366.70
  5. Step 5: Solve for x
    x = 126,647,915,366.70/536,435.32
  6. Step 6: Final answer
    x = 236,091.68

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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.