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Finding the Fourth Proportional to 499,762.71, 751,269.74 and 401,005.08

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Solution

The fourth proportional to 499,762.71, 751,269.74 and 401,005.08 is: 602,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,762.71 : 751,269.74 = 401,005.08 : x
  2. Step 2: Convert to fraction form
    499,762.71/751,269.74 = 401,005.08/x
  3. Step 3: Cross multiply
    499,762.71x = 751,269.74 × 401,005.08
  4. Step 4: Simplify right side
    499,762.71x = 301,262,980,185.25
  5. Step 5: Solve for x
    x = 301,262,980,185.25/499,762.71
  6. Step 6: Final answer
    x = 602,812.04

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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.