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Finding the Fourth Proportional to 319,794.64, 441,309.64 and 174,595.48

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Solution

The fourth proportional to 319,794.64, 441,309.64 and 174,595.48 is: 240,937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,794.64 : 441,309.64 = 174,595.48 : x
  2. Step 2: Convert to fraction form
    319,794.64/441,309.64 = 174,595.48/x
  3. Step 3: Cross multiply
    319,794.64x = 441,309.64 × 174,595.48
  4. Step 4: Simplify right side
    319,794.64x = 77,050,668,424.43
  5. Step 5: Solve for x
    x = 77,050,668,424.43/319,794.64
  6. Step 6: Final answer
    x = 240,937.96

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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.