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Finding the Fourth Proportional to 892,476, 1,338,430.08 and 293,298.48

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Solution

The fourth proportional to 892,476, 1,338,430.08 and 293,298.48 is: 439,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,476 : 1,338,430.08 = 293,298.48 : x
  2. Step 2: Convert to fraction form
    892,476/1,338,430.08 = 293,298.48/x
  3. Step 3: Cross multiply
    892,476x = 1,338,430.08 × 293,298.48
  4. Step 4: Simplify right side
    892,476x = 392,559,508,050.28
  5. Step 5: Solve for x
    x = 392,559,508,050.28/892,476
  6. Step 6: Final answer
    x = 439,854.41

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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.