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Finding the Fourth Proportional to 316,812.25, 437,093.27 and 180,748.45

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Solution

The fourth proportional to 316,812.25, 437,093.27 and 180,748.45 is: 249,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,812.25 : 437,093.27 = 180,748.45 : x
  2. Step 2: Convert to fraction form
    316,812.25/437,093.27 = 180,748.45/x
  3. Step 3: Cross multiply
    316,812.25x = 437,093.27 × 180,748.45
  4. Step 4: Simplify right side
    316,812.25x = 79,003,930,154.19
  5. Step 5: Solve for x
    x = 79,003,930,154.19/316,812.25
  6. Step 6: Final answer
    x = 249,371.45

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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.