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Finding the Fourth Proportional to 606,005.12, 909,007.68 and 185,281

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Solution

The fourth proportional to 606,005.12, 909,007.68 and 185,281 is: 277,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,005.12 : 909,007.68 = 185,281 : x
  2. Step 2: Convert to fraction form
    606,005.12/909,007.68 = 185,281/x
  3. Step 3: Cross multiply
    606,005.12x = 909,007.68 × 185,281
  4. Step 4: Simplify right side
    606,005.12x = 168,421,851,958.08
  5. Step 5: Solve for x
    x = 168,421,851,958.08/606,005.12
  6. Step 6: Final answer
    x = 277,921.50

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Similar ratio
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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.