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Finding the Fourth Proportional to 431,381.54, 595,210.58 and 247,608.89

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Solution

The fourth proportional to 431,381.54, 595,210.58 and 247,608.89 is: 341,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,381.54 : 595,210.58 = 247,608.89 : x
  2. Step 2: Convert to fraction form
    431,381.54/595,210.58 = 247,608.89/x
  3. Step 3: Cross multiply
    431,381.54x = 595,210.58 × 247,608.89
  4. Step 4: Simplify right side
    431,381.54x = 147,379,426,815.96
  5. Step 5: Solve for x
    x = 147,379,426,815.96/431,381.54
  6. Step 6: Final answer
    x = 341,645.19

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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.