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Finding the Fourth Proportional to 611,477.83, 843,917.23 and 369,762.16

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Solution

The fourth proportional to 611,477.83, 843,917.23 and 369,762.16 is: 510,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,477.83 : 843,917.23 = 369,762.16 : x
  2. Step 2: Convert to fraction form
    611,477.83/843,917.23 = 369,762.16/x
  3. Step 3: Cross multiply
    611,477.83x = 843,917.23 × 369,762.16
  4. Step 4: Simplify right side
    611,477.83x = 312,048,653,606.43
  5. Step 5: Solve for x
    x = 312,048,653,606.43/611,477.83
  6. Step 6: Final answer
    x = 510,318.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.