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Finding the Fourth Proportional to 504,818.47, 756,115.18 and 417,270.28

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Solution

The fourth proportional to 504,818.47, 756,115.18 and 417,270.28 is: 624,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,818.47 : 756,115.18 = 417,270.28 : x
  2. Step 2: Convert to fraction form
    504,818.47/756,115.18 = 417,270.28/x
  3. Step 3: Cross multiply
    504,818.47x = 756,115.18 × 417,270.28
  4. Step 4: Simplify right side
    504,818.47x = 315,504,392,870.85
  5. Step 5: Solve for x
    x = 315,504,392,870.85/504,818.47
  6. Step 6: Final answer
    x = 624,985.83

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1.5x scale

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.