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Finding the Fourth Proportional to 319,762.40, 441,273.53 and 176,523.62

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Solution

The fourth proportional to 319,762.40, 441,273.53 and 176,523.62 is: 243,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,762.40 : 441,273.53 = 176,523.62 : x
  2. Step 2: Convert to fraction form
    319,762.40/441,273.53 = 176,523.62/x
  3. Step 3: Cross multiply
    319,762.40x = 441,273.53 × 176,523.62
  4. Step 4: Simplify right side
    319,762.40x = 77,895,200,043.16
  5. Step 5: Solve for x
    x = 77,895,200,043.16/319,762.40
  6. Step 6: Final answer
    x = 243,603.38

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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.