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Finding the Fourth Proportional to 589,086.70, 883,630.05 and 545,784.10

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Solution

The fourth proportional to 589,086.70, 883,630.05 and 545,784.10 is: 818,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,086.70 : 883,630.05 = 545,784.10 : x
  2. Step 2: Convert to fraction form
    589,086.70/883,630.05 = 545,784.10/x
  3. Step 3: Cross multiply
    589,086.70x = 883,630.05 × 545,784.10
  4. Step 4: Simplify right side
    589,086.70x = 482,271,231,572.21
  5. Step 5: Solve for x
    x = 482,271,231,572.21/589,086.70
  6. Step 6: Final answer
    x = 818,676.15

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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.