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Finding the Fourth Proportional to 320,164.65, 441,804.78 and 176,929.92

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Solution

The fourth proportional to 320,164.65, 441,804.78 and 176,929.92 is: 244,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,164.65 : 441,804.78 = 176,929.92 : x
  2. Step 2: Convert to fraction form
    320,164.65/441,804.78 = 176,929.92/x
  3. Step 3: Cross multiply
    320,164.65x = 441,804.78 × 176,929.92
  4. Step 4: Simplify right side
    320,164.65x = 78,168,484,381.02
  5. Step 5: Solve for x
    x = 78,168,484,381.02/320,164.65
  6. Step 6: Final answer
    x = 244,150.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.