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Finding the Fourth Proportional to 434,057.20, 650,164.20 and 360,329.20

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Solution

The fourth proportional to 434,057.20, 650,164.20 and 360,329.20 is: 539,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,057.20 : 650,164.20 = 360,329.20 : x
  2. Step 2: Convert to fraction form
    434,057.20/650,164.20 = 360,329.20/x
  3. Step 3: Cross multiply
    434,057.20x = 650,164.20 × 360,329.20
  4. Step 4: Simplify right side
    434,057.20x = 234,273,146,054.64
  5. Step 5: Solve for x
    x = 234,273,146,054.64/434,057.20
  6. Step 6: Final answer
    x = 539,728.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.