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Finding the Fourth Proportional to 285,063.73, 393,398.45 and 184,461.73

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Solution

The fourth proportional to 285,063.73, 393,398.45 and 184,461.73 is: 254,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,063.73 : 393,398.45 = 184,461.73 : x
  2. Step 2: Convert to fraction form
    285,063.73/393,398.45 = 184,461.73/x
  3. Step 3: Cross multiply
    285,063.73x = 393,398.45 × 184,461.73
  4. Step 4: Simplify right side
    285,063.73x = 72,566,958,666.32
  5. Step 5: Solve for x
    x = 72,566,958,666.32/285,063.73
  6. Step 6: Final answer
    x = 254,563.98

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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.