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Finding the Fourth Proportional to 702,127.26, 968,932.71 and 379,836.60

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Solution

The fourth proportional to 702,127.26, 968,932.71 and 379,836.60 is: 524,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,127.26 : 968,932.71 = 379,836.60 : x
  2. Step 2: Convert to fraction form
    702,127.26/968,932.71 = 379,836.60/x
  3. Step 3: Cross multiply
    702,127.26x = 968,932.71 × 379,836.60
  4. Step 4: Simplify right side
    702,127.26x = 368,036,106,195.19
  5. Step 5: Solve for x
    x = 368,036,106,195.19/702,127.26
  6. Step 6: Final answer
    x = 524,172.93

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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.