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Finding the Fourth Proportional to 304,308.45, 456,462.68 and 82,692.45

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Solution

The fourth proportional to 304,308.45, 456,462.68 and 82,692.45 is: 124,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,308.45 : 456,462.68 = 82,692.45 : x
  2. Step 2: Convert to fraction form
    304,308.45/456,462.68 = 82,692.45/x
  3. Step 3: Cross multiply
    304,308.45x = 456,462.68 × 82,692.45
  4. Step 4: Simplify right side
    304,308.45x = 37,746,016,929.30
  5. Step 5: Solve for x
    x = 37,746,016,929.30/304,308.45
  6. Step 6: Final answer
    x = 124,038.68

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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.