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Finding the Fourth Proportional to 658,043.04, 908,101.44 and 356,236.32

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Solution

The fourth proportional to 658,043.04, 908,101.44 and 356,236.32 is: 491,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,043.04 : 908,101.44 = 356,236.32 : x
  2. Step 2: Convert to fraction form
    658,043.04/908,101.44 = 356,236.32/x
  3. Step 3: Cross multiply
    658,043.04x = 908,101.44 × 356,236.32
  4. Step 4: Simplify right side
    658,043.04x = 323,498,715,172.30
  5. Step 5: Solve for x
    x = 323,498,715,172.30/658,043.04
  6. Step 6: Final answer
    x = 491,607.23

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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.