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Finding the Fourth Proportional to 344,206.56, 473,320.55 and 298,805.18

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Solution

The fourth proportional to 344,206.56, 473,320.55 and 298,805.18 is: 410,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,206.56 : 473,320.55 = 298,805.18 : x
  2. Step 2: Convert to fraction form
    344,206.56/473,320.55 = 298,805.18/x
  3. Step 3: Cross multiply
    344,206.56x = 473,320.55 × 298,805.18
  4. Step 4: Simplify right side
    344,206.56x = 141,430,632,140.45
  5. Step 5: Solve for x
    x = 141,430,632,140.45/344,206.56
  6. Step 6: Final answer
    x = 410,888.83

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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.