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Finding the Fourth Proportional to 414,051, 618,004.76 and 356,880.12

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Solution

The fourth proportional to 414,051, 618,004.76 and 356,880.12 is: 532,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,051 : 618,004.76 = 356,880.12 : x
  2. Step 2: Convert to fraction form
    414,051/618,004.76 = 356,880.12/x
  3. Step 3: Cross multiply
    414,051x = 618,004.76 × 356,880.12
  4. Step 4: Simplify right side
    414,051x = 220,553,612,909.37
  5. Step 5: Solve for x
    x = 220,553,612,909.37/414,051
  6. Step 6: Final answer
    x = 532,672.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.