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Finding the Fourth Proportional to 384,024.80, 576,037.20 and 258,053.60

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Solution

The fourth proportional to 384,024.80, 576,037.20 and 258,053.60 is: 387,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,024.80 : 576,037.20 = 258,053.60 : x
  2. Step 2: Convert to fraction form
    384,024.80/576,037.20 = 258,053.60/x
  3. Step 3: Cross multiply
    384,024.80x = 576,037.20 × 258,053.60
  4. Step 4: Simplify right side
    384,024.80x = 148,648,473,193.92
  5. Step 5: Solve for x
    x = 148,648,473,193.92/384,024.80
  6. Step 6: Final answer
    x = 387,080.40

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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.