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Finding the Fourth Proportional to 432,816.93, 652,179.69 and 355,659.57

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Solution

The fourth proportional to 432,816.93, 652,179.69 and 355,659.57 is: 535,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,816.93 : 652,179.69 = 355,659.57 : x
  2. Step 2: Convert to fraction form
    432,816.93/652,179.69 = 355,659.57/x
  3. Step 3: Cross multiply
    432,816.93x = 652,179.69 × 355,659.57
  4. Step 4: Simplify right side
    432,816.93x = 231,953,951,887.53
  5. Step 5: Solve for x
    x = 231,953,951,887.53/432,816.93
  6. Step 6: Final answer
    x = 535,917.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.