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Finding the Fourth Proportional to 343,438.51, 473,533.28 and 222,535.68

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Solution

The fourth proportional to 343,438.51, 473,533.28 and 222,535.68 is: 306,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,438.51 : 473,533.28 = 222,535.68 : x
  2. Step 2: Convert to fraction form
    343,438.51/473,533.28 = 222,535.68/x
  3. Step 3: Cross multiply
    343,438.51x = 473,533.28 × 222,535.68
  4. Step 4: Simplify right side
    343,438.51x = 105,378,050,467.43
  5. Step 5: Solve for x
    x = 105,378,050,467.43/343,438.51
  6. Step 6: Final answer
    x = 306,832.37

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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.