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Finding the Fourth Proportional to 533,774.30, 736,796.20 and 329,981.54

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Solution

The fourth proportional to 533,774.30, 736,796.20 and 329,981.54 is: 455,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,774.30 : 736,796.20 = 329,981.54 : x
  2. Step 2: Convert to fraction form
    533,774.30/736,796.20 = 329,981.54/x
  3. Step 3: Cross multiply
    533,774.30x = 736,796.20 × 329,981.54
  4. Step 4: Simplify right side
    533,774.30x = 243,129,144,742.15
  5. Step 5: Solve for x
    x = 243,129,144,742.15/533,774.30
  6. Step 6: Final answer
    x = 455,490.54

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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.