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Finding the Fourth Proportional to 647,952.35, 971,108.40 and 248,059.40

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Solution

The fourth proportional to 647,952.35, 971,108.40 and 248,059.40 is: 371,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,952.35 : 971,108.40 = 248,059.40 : x
  2. Step 2: Convert to fraction form
    647,952.35/971,108.40 = 248,059.40/x
  3. Step 3: Cross multiply
    647,952.35x = 971,108.40 × 248,059.40
  4. Step 4: Simplify right side
    647,952.35x = 240,892,567,038.96
  5. Step 5: Solve for x
    x = 240,892,567,038.96/647,952.35
  6. Step 6: Final answer
    x = 371,775.13

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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.