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Finding the Fourth Proportional to 4,892,652.86, 7,338,409.04 and 1,298,699.06

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Solution

The fourth proportional to 4,892,652.86, 7,338,409.04 and 1,298,699.06 is: 1,947,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892,652.86 : 7,338,409.04 = 1,298,699.06 : x
  2. Step 2: Convert to fraction form
    4,892,652.86/7,338,409.04 = 1,298,699.06/x
  3. Step 3: Cross multiply
    4,892,652.86x = 7,338,409.04 × 1,298,699.06
  4. Step 4: Simplify right side
    4,892,652.86x = 9,530,384,878,957.96
  5. Step 5: Solve for x
    x = 9,530,384,878,957.96/4,892,652.86
  6. Step 6: Final answer
    x = 1,947,897.22

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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.