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Finding the Fourth Proportional to 533,150.54, 735,747.78 and 291,434.07

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Solution

The fourth proportional to 533,150.54, 735,747.78 and 291,434.07 is: 402,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,150.54 : 735,747.78 = 291,434.07 : x
  2. Step 2: Convert to fraction form
    533,150.54/735,747.78 = 291,434.07/x
  3. Step 3: Cross multiply
    533,150.54x = 735,747.78 × 291,434.07
  4. Step 4: Simplify right side
    533,150.54x = 214,421,970,018.87
  5. Step 5: Solve for x
    x = 214,421,970,018.87/533,150.54
  6. Step 6: Final answer
    x = 402,179.04

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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.