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Finding the Fourth Proportional to 573,048.60, 857,823.30 and 447,077.40

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Solution

The fourth proportional to 573,048.60, 857,823.30 and 447,077.40 is: 669,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,048.60 : 857,823.30 = 447,077.40 : x
  2. Step 2: Convert to fraction form
    573,048.60/857,823.30 = 447,077.40/x
  3. Step 3: Cross multiply
    573,048.60x = 857,823.30 × 447,077.40
  4. Step 4: Simplify right side
    573,048.60x = 383,513,410,623.42
  5. Step 5: Solve for x
    x = 383,513,410,623.42/573,048.60
  6. Step 6: Final answer
    x = 669,251.11

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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.