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Finding the Fourth Proportional to 466,030.92, 643,116.56 and 262,081.80

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Solution

The fourth proportional to 466,030.92, 643,116.56 and 262,081.80 is: 361,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,030.92 : 643,116.56 = 262,081.80 : x
  2. Step 2: Convert to fraction form
    466,030.92/643,116.56 = 262,081.80/x
  3. Step 3: Cross multiply
    466,030.92x = 643,116.56 × 262,081.80
  4. Step 4: Simplify right side
    466,030.92x = 168,549,145,654.61
  5. Step 5: Solve for x
    x = 168,549,145,654.61/466,030.92
  6. Step 6: Final answer
    x = 361,669.45

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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.