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Finding the Fourth Proportional to 320,152.65, 441,796.33 and 176,909.62

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Solution

The fourth proportional to 320,152.65, 441,796.33 and 176,909.62 is: 244,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,152.65 : 441,796.33 = 176,909.62 : x
  2. Step 2: Convert to fraction form
    320,152.65/441,796.33 = 176,909.62/x
  3. Step 3: Cross multiply
    320,152.65x = 441,796.33 × 176,909.62
  4. Step 4: Simplify right side
    320,152.65x = 78,158,019,807.59
  5. Step 5: Solve for x
    x = 78,158,019,807.59/320,152.65
  6. Step 6: Final answer
    x = 244,127.35

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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.