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Finding the Fourth Proportional to 311,934.20, 467,123.70 and 249,726.20

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Solution

The fourth proportional to 311,934.20, 467,123.70 and 249,726.20 is: 373,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,934.20 : 467,123.70 = 249,726.20 : x
  2. Step 2: Convert to fraction form
    311,934.20/467,123.70 = 249,726.20/x
  3. Step 3: Cross multiply
    311,934.20x = 467,123.70 × 249,726.20
  4. Step 4: Simplify right side
    311,934.20x = 116,653,026,530.94
  5. Step 5: Solve for x
    x = 116,653,026,530.94/311,934.20
  6. Step 6: Final answer
    x = 373,966.77

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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.