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Finding the Fourth Proportional to 617,788.94, 852,650.75 and 424,037.48

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Solution

The fourth proportional to 617,788.94, 852,650.75 and 424,037.48 is: 585,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,788.94 : 852,650.75 = 424,037.48 : x
  2. Step 2: Convert to fraction form
    617,788.94/852,650.75 = 424,037.48/x
  3. Step 3: Cross multiply
    617,788.94x = 852,650.75 × 424,037.48
  4. Step 4: Simplify right side
    617,788.94x = 361,555,868,966.67
  5. Step 5: Solve for x
    x = 361,555,868,966.67/617,788.94
  6. Step 6: Final answer
    x = 585,241.74

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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.