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Finding the Fourth Proportional to 658,367.16, 908,546.75 and 356,561.16

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Solution

The fourth proportional to 658,367.16, 908,546.75 and 356,561.16 is: 492,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,367.16 : 908,546.75 = 356,561.16 : x
  2. Step 2: Convert to fraction form
    658,367.16/908,546.75 = 356,561.16/x
  3. Step 3: Cross multiply
    658,367.16x = 908,546.75 × 356,561.16
  4. Step 4: Simplify right side
    658,367.16x = 323,952,483,094.23
  5. Step 5: Solve for x
    x = 323,952,483,094.23/658,367.16
  6. Step 6: Final answer
    x = 492,054.44

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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.