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Finding the Fourth Proportional to 434,580.80, 651,871.20 and 222,004.40

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Solution

The fourth proportional to 434,580.80, 651,871.20 and 222,004.40 is: 333,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,580.80 : 651,871.20 = 222,004.40 : x
  2. Step 2: Convert to fraction form
    434,580.80/651,871.20 = 222,004.40/x
  3. Step 3: Cross multiply
    434,580.80x = 651,871.20 × 222,004.40
  4. Step 4: Simplify right side
    434,580.80x = 144,718,274,633.28
  5. Step 5: Solve for x
    x = 144,718,274,633.28/434,580.80
  6. Step 6: Final answer
    x = 333,006.60

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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.