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Finding the Fourth Proportional to 316,567.76, 436,905.27 and 180,570.56

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Solution

The fourth proportional to 316,567.76, 436,905.27 and 180,570.56 is: 249,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,567.76 : 436,905.27 = 180,570.56 : x
  2. Step 2: Convert to fraction form
    316,567.76/436,905.27 = 180,570.56/x
  3. Step 3: Cross multiply
    316,567.76x = 436,905.27 × 180,570.56
  4. Step 4: Simplify right side
    316,567.76x = 78,892,229,270.85
  5. Step 5: Solve for x
    x = 78,892,229,270.85/316,567.76
  6. Step 6: Final answer
    x = 249,211.19

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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.