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Finding the Fourth Proportional to 459,015.29, 633,428.42 and 255,060.93

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Solution

The fourth proportional to 459,015.29, 633,428.42 and 255,060.93 is: 351,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,015.29 : 633,428.42 = 255,060.93 : x
  2. Step 2: Convert to fraction form
    459,015.29/633,428.42 = 255,060.93/x
  3. Step 3: Cross multiply
    459,015.29x = 633,428.42 × 255,060.93
  4. Step 4: Simplify right side
    459,015.29x = 161,562,840,618.33
  5. Step 5: Solve for x
    x = 161,562,840,618.33/459,015.29
  6. Step 6: Final answer
    x = 351,977.04

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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.