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Finding the Fourth Proportional to 589,615.70, 884,423.55 and 400,658.90

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Solution

The fourth proportional to 589,615.70, 884,423.55 and 400,658.90 is: 600,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,615.70 : 884,423.55 = 400,658.90 : x
  2. Step 2: Convert to fraction form
    589,615.70/884,423.55 = 400,658.90/x
  3. Step 3: Cross multiply
    589,615.70x = 884,423.55 × 400,658.90
  4. Step 4: Simplify right side
    589,615.70x = 354,352,166,677.10
  5. Step 5: Solve for x
    x = 354,352,166,677.10/589,615.70
  6. Step 6: Final answer
    x = 600,988.35

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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.