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Finding the Fourth Proportional to 316,494.34, 436,813.05 and 180,572.62

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Solution

The fourth proportional to 316,494.34, 436,813.05 and 180,572.62 is: 249,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,494.34 : 436,813.05 = 180,572.62 : x
  2. Step 2: Convert to fraction form
    316,494.34/436,813.05 = 180,572.62/x
  3. Step 3: Cross multiply
    316,494.34x = 436,813.05 × 180,572.62
  4. Step 4: Simplify right side
    316,494.34x = 78,876,476,888.69
  5. Step 5: Solve for x
    x = 78,876,476,888.69/316,494.34
  6. Step 6: Final answer
    x = 249,219.23

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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.