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Finding the Fourth Proportional to 662,656.06, 914,441.36 and 404,964.12

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Solution

The fourth proportional to 662,656.06, 914,441.36 and 404,964.12 is: 558,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,656.06 : 914,441.36 = 404,964.12 : x
  2. Step 2: Convert to fraction form
    662,656.06/914,441.36 = 404,964.12/x
  3. Step 3: Cross multiply
    662,656.06x = 914,441.36 × 404,964.12
  4. Step 4: Simplify right side
    662,656.06x = 370,315,940,644.00
  5. Step 5: Solve for x
    x = 370,315,940,644.00/662,656.06
  6. Step 6: Final answer
    x = 558,835.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.