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Finding the Fourth Proportional to 311,695.24, 467,542.86 and 249,759.40

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Solution

The fourth proportional to 311,695.24, 467,542.86 and 249,759.40 is: 374,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,695.24 : 467,542.86 = 249,759.40 : x
  2. Step 2: Convert to fraction form
    311,695.24/467,542.86 = 249,759.40/x
  3. Step 3: Cross multiply
    311,695.24x = 467,542.86 × 249,759.40
  4. Step 4: Simplify right side
    311,695.24x = 116,773,224,187.88
  5. Step 5: Solve for x
    x = 116,773,224,187.88/311,695.24
  6. Step 6: Final answer
    x = 374,639.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.