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Finding the Fourth Proportional to 434,730.40, 599,952.72 and 243,734.56

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Solution

The fourth proportional to 434,730.40, 599,952.72 and 243,734.56 is: 336,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,730.40 : 599,952.72 = 243,734.56 : x
  2. Step 2: Convert to fraction form
    434,730.40/599,952.72 = 243,734.56/x
  3. Step 3: Cross multiply
    434,730.40x = 599,952.72 × 243,734.56
  4. Step 4: Simplify right side
    434,730.40x = 146,229,212,230.00
  5. Step 5: Solve for x
    x = 146,229,212,230.00/434,730.40
  6. Step 6: Final answer
    x = 336,367.58

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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.