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Finding the Fourth Proportional to 562,568,374.80, 843,852,562.20 and 531,000,779.40

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Solution

The fourth proportional to 562,568,374.80, 843,852,562.20 and 531,000,779.40 is: 796,501,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,568,374.80 : 843,852,562.20 = 531,000,779.40 : x
  2. Step 2: Convert to fraction form
    562,568,374.80/843,852,562.20 = 531,000,779.40/x
  3. Step 3: Cross multiply
    562,568,374.80x = 843,852,562.20 × 531,000,779.40
  4. Step 4: Simplify right side
    562,568,374.80x = 448,086,368,226,886,976
  5. Step 5: Solve for x
    x = 448,086,368,226,886,976/562,568,374.80
  6. Step 6: Final answer
    x = 796,501,169.10

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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.