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Finding the Fourth Proportional to 434,265, 599,320.42 and 255,451.56

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Solution

The fourth proportional to 434,265, 599,320.42 and 255,451.56 is: 352,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,265 : 599,320.42 = 255,451.56 : x
  2. Step 2: Convert to fraction form
    434,265/599,320.42 = 255,451.56/x
  3. Step 3: Cross multiply
    434,265x = 599,320.42 × 255,451.56
  4. Step 4: Simplify right side
    434,265x = 153,097,336,228.86
  5. Step 5: Solve for x
    x = 153,097,336,228.86/434,265
  6. Step 6: Final answer
    x = 352,543.58

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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.