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Finding the Fourth Proportional to 434,734.32, 599,900.32 and 243,711.48

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Solution

The fourth proportional to 434,734.32, 599,900.32 and 243,711.48 is: 336,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,734.32 : 599,900.32 = 243,711.48 : x
  2. Step 2: Convert to fraction form
    434,734.32/599,900.32 = 243,711.48/x
  3. Step 3: Cross multiply
    434,734.32x = 599,900.32 × 243,711.48
  4. Step 4: Simplify right side
    434,734.32x = 146,202,594,839.67
  5. Step 5: Solve for x
    x = 146,202,594,839.67/434,734.32
  6. Step 6: Final answer
    x = 336,303.32

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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.