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Finding the Fourth Proportional to 613,624.30, 920,819.78 and 234,577.10

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Solution

The fourth proportional to 613,624.30, 920,819.78 and 234,577.10 is: 352,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,624.30 : 920,819.78 = 234,577.10 : x
  2. Step 2: Convert to fraction form
    613,624.30/920,819.78 = 234,577.10/x
  3. Step 3: Cross multiply
    613,624.30x = 920,819.78 × 234,577.10
  4. Step 4: Simplify right side
    613,624.30x = 216,003,233,615.04
  5. Step 5: Solve for x
    x = 216,003,233,615.04/613,624.30
  6. Step 6: Final answer
    x = 352,012.19

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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.