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Finding the Fourth Proportional to 434,911.20, 600,203.16 and 243,935.16

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Solution

The fourth proportional to 434,911.20, 600,203.16 and 243,935.16 is: 336,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,911.20 : 600,203.16 = 243,935.16 : x
  2. Step 2: Convert to fraction form
    434,911.20/600,203.16 = 243,935.16/x
  3. Step 3: Cross multiply
    434,911.20x = 600,203.16 × 243,935.16
  4. Step 4: Simplify right side
    434,911.20x = 146,410,653,867.11
  5. Step 5: Solve for x
    x = 146,410,653,867.11/434,911.20
  6. Step 6: Final answer
    x = 336,644.94

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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.