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Finding the Fourth Proportional to 536,004.86, 739,688.18 and 294,303.08

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Solution

The fourth proportional to 536,004.86, 739,688.18 and 294,303.08 is: 406,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,004.86 : 739,688.18 = 294,303.08 : x
  2. Step 2: Convert to fraction form
    536,004.86/739,688.18 = 294,303.08/x
  3. Step 3: Cross multiply
    536,004.86x = 739,688.18 × 294,303.08
  4. Step 4: Simplify right side
    536,004.86x = 217,692,509,991.30
  5. Step 5: Solve for x
    x = 217,692,509,991.30/536,004.86
  6. Step 6: Final answer
    x = 406,139.06

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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.