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Finding the Fourth Proportional to 568,756.10, 852,477.99 and 213,543.50

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Solution

The fourth proportional to 568,756.10, 852,477.99 and 213,543.50 is: 320,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,756.10 : 852,477.99 = 213,543.50 : x
  2. Step 2: Convert to fraction form
    568,756.10/852,477.99 = 213,543.50/x
  3. Step 3: Cross multiply
    568,756.10x = 852,477.99 × 213,543.50
  4. Step 4: Simplify right side
    568,756.10x = 182,041,133,657.57
  5. Step 5: Solve for x
    x = 182,041,133,657.57/568,756.10
  6. Step 6: Final answer
    x = 320,068.89

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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.