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Finding the Fourth Proportional to 434,157.66, 599,160.15 and 243,159.90

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Solution

The fourth proportional to 434,157.66, 599,160.15 and 243,159.90 is: 335,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,157.66 : 599,160.15 = 243,159.90 : x
  2. Step 2: Convert to fraction form
    434,157.66/599,160.15 = 243,159.90/x
  3. Step 3: Cross multiply
    434,157.66x = 599,160.15 × 243,159.90
  4. Step 4: Simplify right side
    434,157.66x = 145,691,722,157.99
  5. Step 5: Solve for x
    x = 145,691,722,157.99/434,157.66
  6. Step 6: Final answer
    x = 335,573.31

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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.