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Finding the Fourth Proportional to 648,410.70, 971,924.85 and 248,897.10

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Solution

The fourth proportional to 648,410.70, 971,924.85 and 248,897.10 is: 373,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,410.70 : 971,924.85 = 248,897.10 : x
  2. Step 2: Convert to fraction form
    648,410.70/971,924.85 = 248,897.10/x
  3. Step 3: Cross multiply
    648,410.70x = 971,924.85 × 248,897.10
  4. Step 4: Simplify right side
    648,410.70x = 241,909,276,582.94
  5. Step 5: Solve for x
    x = 241,909,276,582.94/648,410.70
  6. Step 6: Final answer
    x = 373,080.33

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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.