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Finding the Fourth Proportional to 637,479.06, 956,322.36 and 188,245.32

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Solution

The fourth proportional to 637,479.06, 956,322.36 and 188,245.32 is: 282,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,479.06 : 956,322.36 = 188,245.32 : x
  2. Step 2: Convert to fraction form
    637,479.06/956,322.36 = 188,245.32/x
  3. Step 3: Cross multiply
    637,479.06x = 956,322.36 × 188,245.32
  4. Step 4: Simplify right side
    637,479.06x = 180,023,208,681.36
  5. Step 5: Solve for x
    x = 180,023,208,681.36/637,479.06
  6. Step 6: Final answer
    x = 282,398.62

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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.