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Finding the Fourth Proportional to 229,279.26, 316,406.64 and 127,303.26

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Solution

The fourth proportional to 229,279.26, 316,406.64 and 127,303.26 is: 175,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,279.26 : 316,406.64 = 127,303.26 : x
  2. Step 2: Convert to fraction form
    229,279.26/316,406.64 = 127,303.26/x
  3. Step 3: Cross multiply
    229,279.26x = 316,406.64 × 127,303.26
  4. Step 4: Simplify right side
    229,279.26x = 40,279,596,757.65
  5. Step 5: Solve for x
    x = 40,279,596,757.65/229,279.26
  6. Step 6: Final answer
    x = 175,679.20

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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.