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Finding the Fourth Proportional to 616,943.39, 925,071.22 and 190,358.11

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Solution

The fourth proportional to 616,943.39, 925,071.22 and 190,358.11 is: 285,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,943.39 : 925,071.22 = 190,358.11 : x
  2. Step 2: Convert to fraction form
    616,943.39/925,071.22 = 190,358.11/x
  3. Step 3: Cross multiply
    616,943.39x = 925,071.22 × 190,358.11
  4. Step 4: Simplify right side
    616,943.39x = 176,094,809,054.59
  5. Step 5: Solve for x
    x = 176,094,809,054.59/616,943.39
  6. Step 6: Final answer
    x = 285,431.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.