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Finding the Fourth Proportional to 702,072.54, 968,466.39 and 430,272.14

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Solution

The fourth proportional to 702,072.54, 968,466.39 and 430,272.14 is: 593,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,072.54 : 968,466.39 = 430,272.14 : x
  2. Step 2: Convert to fraction form
    702,072.54/968,466.39 = 430,272.14/x
  3. Step 3: Cross multiply
    702,072.54x = 968,466.39 × 430,272.14
  4. Step 4: Simplify right side
    702,072.54x = 416,704,106,143.38
  5. Step 5: Solve for x
    x = 416,704,106,143.38/702,072.54
  6. Step 6: Final answer
    x = 593,534.26

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1.5x scale

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.