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Finding the Fourth Proportional to 616,209.06, 850,222.71 and 357,932.57

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Solution

The fourth proportional to 616,209.06, 850,222.71 and 357,932.57 is: 493,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,209.06 : 850,222.71 = 357,932.57 : x
  2. Step 2: Convert to fraction form
    616,209.06/850,222.71 = 357,932.57/x
  3. Step 3: Cross multiply
    616,209.06x = 850,222.71 × 357,932.57
  4. Step 4: Simplify right side
    616,209.06x = 304,322,399,662.67
  5. Step 5: Solve for x
    x = 304,322,399,662.67/616,209.06
  6. Step 6: Final answer
    x = 493,862.26

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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.