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Finding the Fourth Proportional to 539,535.50, 808,745.55 and 202,338.36

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Solution

The fourth proportional to 539,535.50, 808,745.55 and 202,338.36 is: 303,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,535.50 : 808,745.55 = 202,338.36 : x
  2. Step 2: Convert to fraction form
    539,535.50/808,745.55 = 202,338.36/x
  3. Step 3: Cross multiply
    539,535.50x = 808,745.55 × 202,338.36
  4. Step 4: Simplify right side
    539,535.50x = 163,640,248,244.30
  5. Step 5: Solve for x
    x = 163,640,248,244.30/539,535.50
  6. Step 6: Final answer
    x = 303,298.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.