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Finding the Fourth Proportional to 434,675.44, 599,880.90 and 243,701.20

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Solution

The fourth proportional to 434,675.44, 599,880.90 and 243,701.20 is: 336,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,675.44 : 599,880.90 = 243,701.20 : x
  2. Step 2: Convert to fraction form
    434,675.44/599,880.90 = 243,701.20/x
  3. Step 3: Cross multiply
    434,675.44x = 599,880.90 × 243,701.20
  4. Step 4: Simplify right side
    434,675.44x = 146,191,695,187.08
  5. Step 5: Solve for x
    x = 146,191,695,187.08/434,675.44
  6. Step 6: Final answer
    x = 336,323.80

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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.