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Finding the Fourth Proportional to 265,883.50, 366,919.50 and 152,728.12

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Solution

The fourth proportional to 265,883.50, 366,919.50 and 152,728.12 is: 210,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,883.50 : 366,919.50 = 152,728.12 : x
  2. Step 2: Convert to fraction form
    265,883.50/366,919.50 = 152,728.12/x
  3. Step 3: Cross multiply
    265,883.50x = 366,919.50 × 152,728.12
  4. Step 4: Simplify right side
    265,883.50x = 56,038,925,426.34
  5. Step 5: Solve for x
    x = 56,038,925,426.34/265,883.50
  6. Step 6: Final answer
    x = 210,764.96

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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.