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Finding the Fourth Proportional to 589,609.96, 884,328.54 and 290,010.12

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Solution

The fourth proportional to 589,609.96, 884,328.54 and 290,010.12 is: 434,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,609.96 : 884,328.54 = 290,010.12 : x
  2. Step 2: Convert to fraction form
    589,609.96/884,328.54 = 290,010.12/x
  3. Step 3: Cross multiply
    589,609.96x = 884,328.54 × 290,010.12
  4. Step 4: Simplify right side
    589,609.96x = 256,464,226,004.83
  5. Step 5: Solve for x
    x = 256,464,226,004.83/589,609.96
  6. Step 6: Final answer
    x = 434,972.68

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Double scale
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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.