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Finding the Fourth Proportional to 610,254.47, 842,171.04 and 338,347.67

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Solution

The fourth proportional to 610,254.47, 842,171.04 and 338,347.67 is: 466,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,254.47 : 842,171.04 = 338,347.67 : x
  2. Step 2: Convert to fraction form
    610,254.47/842,171.04 = 338,347.67/x
  3. Step 3: Cross multiply
    610,254.47x = 842,171.04 × 338,347.67
  4. Step 4: Simplify right side
    610,254.47x = 284,946,604,914.62
  5. Step 5: Solve for x
    x = 284,946,604,914.62/610,254.47
  6. Step 6: Final answer
    x = 466,930.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.