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Finding the Fourth Proportional to 380,546.71, 524,955.36 and 235,306.06

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Solution

The fourth proportional to 380,546.71, 524,955.36 and 235,306.06 is: 324,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,546.71 : 524,955.36 = 235,306.06 : x
  2. Step 2: Convert to fraction form
    380,546.71/524,955.36 = 235,306.06/x
  3. Step 3: Cross multiply
    380,546.71x = 524,955.36 × 235,306.06
  4. Step 4: Simplify right side
    380,546.71x = 123,525,177,437.48
  5. Step 5: Solve for x
    x = 123,525,177,437.48/380,546.71
  6. Step 6: Final answer
    x = 324,599.25

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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.