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Finding the Fourth Proportional to 533,860.56, 736,722.07 and 304,455.20

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Solution

The fourth proportional to 533,860.56, 736,722.07 and 304,455.20 is: 420,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,860.56 : 736,722.07 = 304,455.20 : x
  2. Step 2: Convert to fraction form
    533,860.56/736,722.07 = 304,455.20/x
  3. Step 3: Cross multiply
    533,860.56x = 736,722.07 × 304,455.20
  4. Step 4: Simplify right side
    533,860.56x = 224,298,860,721.52
  5. Step 5: Solve for x
    x = 224,298,860,721.52/533,860.56
  6. Step 6: Final answer
    x = 420,145.03

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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.