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Finding the Fourth Proportional to 306,768.32, 460,362.72 and 107,088.76

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Solution

The fourth proportional to 306,768.32, 460,362.72 and 107,088.76 is: 160,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,768.32 : 460,362.72 = 107,088.76 : x
  2. Step 2: Convert to fraction form
    306,768.32/460,362.72 = 107,088.76/x
  3. Step 3: Cross multiply
    306,768.32x = 460,362.72 × 107,088.76
  4. Step 4: Simplify right side
    306,768.32x = 49,299,672,835.03
  5. Step 5: Solve for x
    x = 49,299,672,835.03/306,768.32
  6. Step 6: Final answer
    x = 160,706.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.