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Finding the Fourth Proportional to 435,790.08, 601,416 and 328,170.24

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Solution

The fourth proportional to 435,790.08, 601,416 and 328,170.24 is: 452,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,790.08 : 601,416 = 328,170.24 : x
  2. Step 2: Convert to fraction form
    435,790.08/601,416 = 328,170.24/x
  3. Step 3: Cross multiply
    435,790.08x = 601,416 × 328,170.24
  4. Step 4: Simplify right side
    435,790.08x = 197,366,833,059.84
  5. Step 5: Solve for x
    x = 197,366,833,059.84/435,790.08
  6. Step 6: Final answer
    x = 452,894.28

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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.