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Finding the Fourth Proportional to 294,805.32, 442,207.98 and 73,189.32

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Solution

The fourth proportional to 294,805.32, 442,207.98 and 73,189.32 is: 109,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,805.32 : 442,207.98 = 73,189.32 : x
  2. Step 2: Convert to fraction form
    294,805.32/442,207.98 = 73,189.32/x
  3. Step 3: Cross multiply
    294,805.32x = 442,207.98 × 73,189.32
  4. Step 4: Simplify right side
    294,805.32x = 32,364,901,354.77
  5. Step 5: Solve for x
    x = 32,364,901,354.77/294,805.32
  6. Step 6: Final answer
    x = 109,783.98

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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.