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Finding the Fourth Proportional to 839,548.32, 1,158,600.96 and 457,599.84

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Solution

The fourth proportional to 839,548.32, 1,158,600.96 and 457,599.84 is: 631,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,548.32 : 1,158,600.96 = 457,599.84 : x
  2. Step 2: Convert to fraction form
    839,548.32/1,158,600.96 = 457,599.84/x
  3. Step 3: Cross multiply
    839,548.32x = 1,158,600.96 × 457,599.84
  4. Step 4: Simplify right side
    839,548.32x = 530,175,613,919.85
  5. Step 5: Solve for x
    x = 530,175,613,919.85/839,548.32
  6. Step 6: Final answer
    x = 631,501.01

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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.