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Finding the Fourth Proportional to 468,615.17, 702,925.01 and 113,629.16

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Solution

The fourth proportional to 468,615.17, 702,925.01 and 113,629.16 is: 170,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,615.17 : 702,925.01 = 113,629.16 : x
  2. Step 2: Convert to fraction form
    468,615.17/702,925.01 = 113,629.16/x
  3. Step 3: Cross multiply
    468,615.17x = 702,925.01 × 113,629.16
  4. Step 4: Simplify right side
    468,615.17x = 79,872,778,429.29
  5. Step 5: Solve for x
    x = 79,872,778,429.29/468,615.17
  6. Step 6: Final answer
    x = 170,444.29

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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.