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Finding the Fourth Proportional to 626,211.67, 864,253.62 and 350,674.46

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Solution

The fourth proportional to 626,211.67, 864,253.62 and 350,674.46 is: 483,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,211.67 : 864,253.62 = 350,674.46 : x
  2. Step 2: Convert to fraction form
    626,211.67/864,253.62 = 350,674.46/x
  3. Step 3: Cross multiply
    626,211.67x = 864,253.62 × 350,674.46
  4. Step 4: Simplify right side
    626,211.67x = 303,071,669,743.17
  5. Step 5: Solve for x
    x = 303,071,669,743.17/626,211.67
  6. Step 6: Final answer
    x = 483,976.40

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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.