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Finding the Fourth Proportional to 555,461, 833,333.58 and 161,477

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Solution

The fourth proportional to 555,461, 833,333.58 and 161,477 is: 242,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,461 : 833,333.58 = 161,477 : x
  2. Step 2: Convert to fraction form
    555,461/833,333.58 = 161,477/x
  3. Step 3: Cross multiply
    555,461x = 833,333.58 × 161,477
  4. Step 4: Simplify right side
    555,461x = 134,564,206,497.66
  5. Step 5: Solve for x
    x = 134,564,206,497.66/555,461
  6. Step 6: Final answer
    x = 242,256.80

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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.