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Finding the Fourth Proportional to 589,000.40, 883,500.60 and 402,376.40

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Solution

The fourth proportional to 589,000.40, 883,500.60 and 402,376.40 is: 603,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,000.40 : 883,500.60 = 402,376.40 : x
  2. Step 2: Convert to fraction form
    589,000.40/883,500.60 = 402,376.40/x
  3. Step 3: Cross multiply
    589,000.40x = 883,500.60 × 402,376.40
  4. Step 4: Simplify right side
    589,000.40x = 355,499,790,825.84
  5. Step 5: Solve for x
    x = 355,499,790,825.84/589,000.40
  6. Step 6: Final answer
    x = 603,564.60

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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.