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Finding the Fourth Proportional to 598,070.25, 825,336.95 and 329,798.25

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Solution

The fourth proportional to 598,070.25, 825,336.95 and 329,798.25 is: 455,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,070.25 : 825,336.95 = 329,798.25 : x
  2. Step 2: Convert to fraction form
    598,070.25/825,336.95 = 329,798.25/x
  3. Step 3: Cross multiply
    598,070.25x = 825,336.95 × 329,798.25
  4. Step 4: Simplify right side
    598,070.25x = 272,194,680,121.35
  5. Step 5: Solve for x
    x = 272,194,680,121.35/598,070.25
  6. Step 6: Final answer
    x = 455,121.59

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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.