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Finding the Fourth Proportional to 304,693.34, 457,082.55 and 127,159.70

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Solution

The fourth proportional to 304,693.34, 457,082.55 and 127,159.70 is: 190,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,693.34 : 457,082.55 = 127,159.70 : x
  2. Step 2: Convert to fraction form
    304,693.34/457,082.55 = 127,159.70/x
  3. Step 3: Cross multiply
    304,693.34x = 457,082.55 × 127,159.70
  4. Step 4: Simplify right side
    304,693.34x = 58,122,477,647.82
  5. Step 5: Solve for x
    x = 58,122,477,647.82/304,693.34
  6. Step 6: Final answer
    x = 190,757.30

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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.