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Finding the Fourth Proportional to 476,670.24, 715,004.76 and 121,684.32

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Solution

The fourth proportional to 476,670.24, 715,004.76 and 121,684.32 is: 182,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,670.24 : 715,004.76 = 121,684.32 : x
  2. Step 2: Convert to fraction form
    476,670.24/715,004.76 = 121,684.32/x
  3. Step 3: Cross multiply
    476,670.24x = 715,004.76 × 121,684.32
  4. Step 4: Simplify right side
    476,670.24x = 87,004,868,017.36
  5. Step 5: Solve for x
    x = 87,004,868,017.36/476,670.24
  6. Step 6: Final answer
    x = 182,526.33

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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.