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Finding the Fourth Proportional to 547,116.10, 818,705.85 and 369,969.10

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Solution

The fourth proportional to 547,116.10, 818,705.85 and 369,969.10 is: 553,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,116.10 : 818,705.85 = 369,969.10 : x
  2. Step 2: Convert to fraction form
    547,116.10/818,705.85 = 369,969.10/x
  3. Step 3: Cross multiply
    547,116.10x = 818,705.85 × 369,969.10
  4. Step 4: Simplify right side
    547,116.10x = 302,895,866,489.24
  5. Step 5: Solve for x
    x = 302,895,866,489.24/547,116.10
  6. Step 6: Final answer
    x = 553,622.65

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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.