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Finding the Fourth Proportional to 637,389.66, 956,187.36 and 258,333.96

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Solution

The fourth proportional to 637,389.66, 956,187.36 and 258,333.96 is: 387,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,389.66 : 956,187.36 = 258,333.96 : x
  2. Step 2: Convert to fraction form
    637,389.66/956,187.36 = 258,333.96/x
  3. Step 3: Cross multiply
    637,389.66x = 956,187.36 × 258,333.96
  4. Step 4: Simplify right side
    637,389.66x = 247,015,667,210.75
  5. Step 5: Solve for x
    x = 247,015,667,210.75/637,389.66
  6. Step 6: Final answer
    x = 387,542.63

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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.