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Finding the Fourth Proportional to 339,212.32, 468,316.08 and 212,060.16

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Solution

The fourth proportional to 339,212.32, 468,316.08 and 212,060.16 is: 292,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,212.32 : 468,316.08 = 212,060.16 : x
  2. Step 2: Convert to fraction form
    339,212.32/468,316.08 = 212,060.16/x
  3. Step 3: Cross multiply
    339,212.32x = 468,316.08 × 212,060.16
  4. Step 4: Simplify right side
    339,212.32x = 99,311,182,855.37
  5. Step 5: Solve for x
    x = 99,311,182,855.37/339,212.32
  6. Step 6: Final answer
    x = 292,769.98

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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.