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Finding the Fourth Proportional to 533,943.36, 736,521.66 and 352,655.64

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Solution

The fourth proportional to 533,943.36, 736,521.66 and 352,655.64 is: 486,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,943.36 : 736,521.66 = 352,655.64 : x
  2. Step 2: Convert to fraction form
    533,943.36/736,521.66 = 352,655.64/x
  3. Step 3: Cross multiply
    533,943.36x = 736,521.66 × 352,655.64
  4. Step 4: Simplify right side
    533,943.36x = 259,738,517,381.16
  5. Step 5: Solve for x
    x = 259,738,517,381.16/533,943.36
  6. Step 6: Final answer
    x = 486,453.31

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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.