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Finding the Fourth Proportional to 631,590.09, 947,392.65 and 176,153.64

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Solution

The fourth proportional to 631,590.09, 947,392.65 and 176,153.64 is: 264,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,590.09 : 947,392.65 = 176,153.64 : x
  2. Step 2: Convert to fraction form
    631,590.09/947,392.65 = 176,153.64/x
  3. Step 3: Cross multiply
    631,590.09x = 947,392.65 × 176,153.64
  4. Step 4: Simplify right side
    631,590.09x = 166,886,663,806.75
  5. Step 5: Solve for x
    x = 166,886,663,806.75/631,590.09
  6. Step 6: Final answer
    x = 264,232.56

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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.