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Finding the Fourth Proportional to 592,420.50, 817,540.83 and 324,148.50

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Solution

The fourth proportional to 592,420.50, 817,540.83 and 324,148.50 is: 447,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,420.50 : 817,540.83 = 324,148.50 : x
  2. Step 2: Convert to fraction form
    592,420.50/817,540.83 = 324,148.50/x
  3. Step 3: Cross multiply
    592,420.50x = 817,540.83 × 324,148.50
  4. Step 4: Simplify right side
    592,420.50x = 265,004,633,733.26
  5. Step 5: Solve for x
    x = 265,004,633,733.26/592,420.50
  6. Step 6: Final answer
    x = 447,325.23

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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.