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Finding the Fourth Proportional to 589,078.40, 883,617.60 and 543,459.20

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Solution

The fourth proportional to 589,078.40, 883,617.60 and 543,459.20 is: 815,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,078.40 : 883,617.60 = 543,459.20 : x
  2. Step 2: Convert to fraction form
    589,078.40/883,617.60 = 543,459.20/x
  3. Step 3: Cross multiply
    589,078.40x = 883,617.60 × 543,459.20
  4. Step 4: Simplify right side
    589,078.40x = 480,210,114,001.92
  5. Step 5: Solve for x
    x = 480,210,114,001.92/589,078.40
  6. Step 6: Final answer
    x = 815,188.80

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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.