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Finding the Fourth Proportional to 524,670.40, 786,616.80 and 224,905.60

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Solution

The fourth proportional to 524,670.40, 786,616.80 and 224,905.60 is: 337,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,670.40 : 786,616.80 = 224,905.60 : x
  2. Step 2: Convert to fraction form
    524,670.40/786,616.80 = 224,905.60/x
  3. Step 3: Cross multiply
    524,670.40x = 786,616.80 × 224,905.60
  4. Step 4: Simplify right side
    524,670.40x = 176,914,523,374.08
  5. Step 5: Solve for x
    x = 176,914,523,374.08/524,670.40
  6. Step 6: Final answer
    x = 337,191.74

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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.