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Finding the Fourth Proportional to 875,118, 1,312,898.40 and 244,031.88

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Solution

The fourth proportional to 875,118, 1,312,898.40 and 244,031.88 is: 366,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,118 : 1,312,898.40 = 244,031.88 : x
  2. Step 2: Convert to fraction form
    875,118/1,312,898.40 = 244,031.88/x
  3. Step 3: Cross multiply
    875,118x = 1,312,898.40 × 244,031.88
  4. Step 4: Simplify right side
    875,118x = 320,389,064,800.99
  5. Step 5: Solve for x
    x = 320,389,064,800.99/875,118
  6. Step 6: Final answer
    x = 366,109.56

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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.