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Finding the Fourth Proportional to 624,728.80, 937,103.28 and 225,655.84

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Solution

The fourth proportional to 624,728.80, 937,103.28 and 225,655.84 is: 338,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,728.80 : 937,103.28 = 225,655.84 : x
  2. Step 2: Convert to fraction form
    624,728.80/937,103.28 = 225,655.84/x
  3. Step 3: Cross multiply
    624,728.80x = 937,103.28 × 225,655.84
  4. Step 4: Simplify right side
    624,728.80x = 211,462,827,815.16
  5. Step 5: Solve for x
    x = 211,462,827,815.16/624,728.80
  6. Step 6: Final answer
    x = 338,487.40

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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.