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Finding the Fourth Proportional to 637,993.63, 956,087.70 and 353,809.18

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Solution

The fourth proportional to 637,993.63, 956,087.70 and 353,809.18 is: 530,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,993.63 : 956,087.70 = 353,809.18 : x
  2. Step 2: Convert to fraction form
    637,993.63/956,087.70 = 353,809.18/x
  3. Step 3: Cross multiply
    637,993.63x = 956,087.70 × 353,809.18
  4. Step 4: Simplify right side
    637,993.63x = 338,272,605,145.09
  5. Step 5: Solve for x
    x = 338,272,605,145.09/637,993.63
  6. Step 6: Final answer
    x = 530,213.14

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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.