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Finding the Fourth Proportional to 267,378.13, 368,945.71 and 152,649.48

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Solution

The fourth proportional to 267,378.13, 368,945.71 and 152,649.48 is: 210,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,378.13 : 368,945.71 = 152,649.48 : x
  2. Step 2: Convert to fraction form
    267,378.13/368,945.71 = 152,649.48/x
  3. Step 3: Cross multiply
    267,378.13x = 368,945.71 × 152,649.48
  4. Step 4: Simplify right side
    267,378.13x = 56,319,370,779.73
  5. Step 5: Solve for x
    x = 56,319,370,779.73/267,378.13
  6. Step 6: Final answer
    x = 210,635.67

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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.