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Finding the Fourth Proportional to 658,093.40, 908,085.40 and 386,062.04

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Solution

The fourth proportional to 658,093.40, 908,085.40 and 386,062.04 is: 532,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,093.40 : 908,085.40 = 386,062.04 : x
  2. Step 2: Convert to fraction form
    658,093.40/908,085.40 = 386,062.04/x
  3. Step 3: Cross multiply
    658,093.40x = 908,085.40 × 386,062.04
  4. Step 4: Simplify right side
    658,093.40x = 350,577,302,018.22
  5. Step 5: Solve for x
    x = 350,577,302,018.22/658,093.40
  6. Step 6: Final answer
    x = 532,716.64

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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.