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Finding the Fourth Proportional to 533,345.43, 736,202.03 and 307,081.11

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Solution

The fourth proportional to 533,345.43, 736,202.03 and 307,081.11 is: 423,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,345.43 : 736,202.03 = 307,081.11 : x
  2. Step 2: Convert to fraction form
    533,345.43/736,202.03 = 307,081.11/x
  3. Step 3: Cross multiply
    533,345.43x = 736,202.03 × 307,081.11
  4. Step 4: Simplify right side
    533,345.43x = 226,073,735,021.25
  5. Step 5: Solve for x
    x = 226,073,735,021.25/533,345.43
  6. Step 6: Final answer
    x = 423,878.64

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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.