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Finding the Fourth Proportional to 452,633.68, 624,374.65 and 282,572.56

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Solution

The fourth proportional to 452,633.68, 624,374.65 and 282,572.56 is: 389,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,633.68 : 624,374.65 = 282,572.56 : x
  2. Step 2: Convert to fraction form
    452,633.68/624,374.65 = 282,572.56/x
  3. Step 3: Cross multiply
    452,633.68x = 624,374.65 × 282,572.56
  4. Step 4: Simplify right side
    452,633.68x = 176,431,143,249.60
  5. Step 5: Solve for x
    x = 176,431,143,249.60/452,633.68
  6. Step 6: Final answer
    x = 389,787.93

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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.