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Finding the Fourth Proportional to 434,595.20, 650,580.60 and 382,107.20

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Solution

The fourth proportional to 434,595.20, 650,580.60 and 382,107.20 is: 572,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,595.20 : 650,580.60 = 382,107.20 : x
  2. Step 2: Convert to fraction form
    434,595.20/650,580.60 = 382,107.20/x
  3. Step 3: Cross multiply
    434,595.20x = 650,580.60 × 382,107.20
  4. Step 4: Simplify right side
    434,595.20x = 248,591,531,440.32
  5. Step 5: Solve for x
    x = 248,591,531,440.32/434,595.20
  6. Step 6: Final answer
    x = 572,007.08

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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.