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Finding the Fourth Proportional to 304,634.20, 456,980.10 and 83,018.20

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Solution

The fourth proportional to 304,634.20, 456,980.10 and 83,018.20 is: 124,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,634.20 : 456,980.10 = 83,018.20 : x
  2. Step 2: Convert to fraction form
    304,634.20/456,980.10 = 83,018.20/x
  3. Step 3: Cross multiply
    304,634.20x = 456,980.10 × 83,018.20
  4. Step 4: Simplify right side
    304,634.20x = 37,937,665,337.82
  5. Step 5: Solve for x
    x = 37,937,665,337.82/304,634.20
  6. Step 6: Final answer
    x = 124,535.15

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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.