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Finding the Fourth Proportional to 223,007.70, 334,900.35 and 216,009.30

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Solution

The fourth proportional to 223,007.70, 334,900.35 and 216,009.30 is: 324,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,007.70 : 334,900.35 = 216,009.30 : x
  2. Step 2: Convert to fraction form
    223,007.70/334,900.35 = 216,009.30/x
  3. Step 3: Cross multiply
    223,007.70x = 334,900.35 × 216,009.30
  4. Step 4: Simplify right side
    223,007.70x = 72,341,590,173.26
  5. Step 5: Solve for x
    x = 72,341,590,173.26/223,007.70
  6. Step 6: Final answer
    x = 324,390.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.