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Finding the Fourth Proportional to 434,597.20, 650,583.60 and 382,109.20

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Solution

The fourth proportional to 434,597.20, 650,583.60 and 382,109.20 is: 572,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,597.20 : 650,583.60 = 382,109.20 : x
  2. Step 2: Convert to fraction form
    434,597.20/650,583.60 = 382,109.20/x
  3. Step 3: Cross multiply
    434,597.20x = 650,583.60 × 382,109.20
  4. Step 4: Simplify right side
    434,597.20x = 248,593,978,929.12
  5. Step 5: Solve for x
    x = 248,593,978,929.12/434,597.20
  6. Step 6: Final answer
    x = 572,010.08

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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.