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Finding the Fourth Proportional to 468,615.65, 702,925.73 and 113,629.64

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Solution

The fourth proportional to 468,615.65, 702,925.73 and 113,629.64 is: 170,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,615.65 : 702,925.73 = 113,629.64 : x
  2. Step 2: Convert to fraction form
    468,615.65/702,925.73 = 113,629.64/x
  3. Step 3: Cross multiply
    468,615.65x = 702,925.73 × 113,629.64
  4. Step 4: Simplify right side
    468,615.65x = 79,873,197,646.64
  5. Step 5: Solve for x
    x = 79,873,197,646.64/468,615.65
  6. Step 6: Final answer
    x = 170,445.01

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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.