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Finding the Fourth Proportional to 622,681.93, 859,186.90 and 350,691.57

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Solution

The fourth proportional to 622,681.93, 859,186.90 and 350,691.57 is: 483,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,681.93 : 859,186.90 = 350,691.57 : x
  2. Step 2: Convert to fraction form
    622,681.93/859,186.90 = 350,691.57/x
  3. Step 3: Cross multiply
    622,681.93x = 859,186.90 × 350,691.57
  4. Step 4: Simplify right side
    622,681.93x = 301,309,602,884.43
  5. Step 5: Solve for x
    x = 301,309,602,884.43/622,681.93
  6. Step 6: Final answer
    x = 483,890.07

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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.