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Finding the Fourth Proportional to 658,046.04, 908,105.58 and 356,239.32

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Solution

The fourth proportional to 658,046.04, 908,105.58 and 356,239.32 is: 491,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,046.04 : 908,105.58 = 356,239.32 : x
  2. Step 2: Convert to fraction form
    658,046.04/908,105.58 = 356,239.32/x
  3. Step 3: Cross multiply
    658,046.04x = 908,105.58 × 356,239.32
  4. Step 4: Simplify right side
    658,046.04x = 323,502,914,307.41
  5. Step 5: Solve for x
    x = 323,502,914,307.41/658,046.04
  6. Step 6: Final answer
    x = 491,611.37

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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.