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Finding the Fourth Proportional to 589,114.10, 883,671.15 and 289,640.90

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Solution

The fourth proportional to 589,114.10, 883,671.15 and 289,640.90 is: 434,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,114.10 : 883,671.15 = 289,640.90 : x
  2. Step 2: Convert to fraction form
    589,114.10/883,671.15 = 289,640.90/x
  3. Step 3: Cross multiply
    589,114.10x = 883,671.15 × 289,640.90
  4. Step 4: Simplify right side
    589,114.10x = 255,947,307,190.04
  5. Step 5: Solve for x
    x = 255,947,307,190.04/589,114.10
  6. Step 6: Final answer
    x = 434,461.35

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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.