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Finding the Fourth Proportional to 320,041.67, 441,654.86 and 176,798.70

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Solution

The fourth proportional to 320,041.67, 441,654.86 and 176,798.70 is: 243,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,041.67 : 441,654.86 = 176,798.70 : x
  2. Step 2: Convert to fraction form
    320,041.67/441,654.86 = 176,798.70/x
  3. Step 3: Cross multiply
    320,041.67x = 441,654.86 × 176,798.70
  4. Step 4: Simplify right side
    320,041.67x = 78,084,005,538.68
  5. Step 5: Solve for x
    x = 78,084,005,538.68/320,041.67
  6. Step 6: Final answer
    x = 243,980.75

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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.