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Finding the Fourth Proportional to 348,877.60, 523,316.40 and 248,826.40

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Solution

The fourth proportional to 348,877.60, 523,316.40 and 248,826.40 is: 373,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,877.60 : 523,316.40 = 248,826.40 : x
  2. Step 2: Convert to fraction form
    348,877.60/523,316.40 = 248,826.40/x
  3. Step 3: Cross multiply
    348,877.60x = 523,316.40 × 248,826.40
  4. Step 4: Simplify right side
    348,877.60x = 130,214,935,872.96
  5. Step 5: Solve for x
    x = 130,214,935,872.96/348,877.60
  6. Step 6: Final answer
    x = 373,239.60

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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.