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Finding the Fourth Proportional to 330,033.62, 455,432.62 and 186,801.59

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Solution

The fourth proportional to 330,033.62, 455,432.62 and 186,801.59 is: 257,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,033.62 : 455,432.62 = 186,801.59 : x
  2. Step 2: Convert to fraction form
    330,033.62/455,432.62 = 186,801.59/x
  3. Step 3: Cross multiply
    330,033.62x = 455,432.62 × 186,801.59
  4. Step 4: Simplify right side
    330,033.62x = 85,075,537,553.87
  5. Step 5: Solve for x
    x = 85,075,537,553.87/330,033.62
  6. Step 6: Final answer
    x = 257,778.40

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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.