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Finding the Fourth Proportional to 316,758.56, 437,133.88 and 180,789.84

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Solution

The fourth proportional to 316,758.56, 437,133.88 and 180,789.84 is: 249,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,758.56 : 437,133.88 = 180,789.84 : x
  2. Step 2: Convert to fraction form
    316,758.56/437,133.88 = 180,789.84/x
  3. Step 3: Cross multiply
    316,758.56x = 437,133.88 × 180,789.84
  4. Step 4: Simplify right side
    316,758.56x = 79,029,364,223.78
  5. Step 5: Solve for x
    x = 79,029,364,223.78/316,758.56
  6. Step 6: Final answer
    x = 249,494.01

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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.