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Finding the Fourth Proportional to 403,056.65, 604,590.16 and 118,682.54

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Solution

The fourth proportional to 403,056.65, 604,590.16 and 118,682.54 is: 178,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,056.65 : 604,590.16 = 118,682.54 : x
  2. Step 2: Convert to fraction form
    403,056.65/604,590.16 = 118,682.54/x
  3. Step 3: Cross multiply
    403,056.65x = 604,590.16 × 118,682.54
  4. Step 4: Simplify right side
    403,056.65x = 71,754,295,847.81
  5. Step 5: Solve for x
    x = 71,754,295,847.81/403,056.65
  6. Step 6: Final answer
    x = 178,025.34

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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.