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Finding the Fourth Proportional to 540,767.36, 746,193.60 and 299,017.28

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Solution

The fourth proportional to 540,767.36, 746,193.60 and 299,017.28 is: 412,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,767.36 : 746,193.60 = 299,017.28 : x
  2. Step 2: Convert to fraction form
    540,767.36/746,193.60 = 299,017.28/x
  3. Step 3: Cross multiply
    540,767.36x = 746,193.60 × 299,017.28
  4. Step 4: Simplify right side
    540,767.36x = 223,124,780,625.41
  5. Step 5: Solve for x
    x = 223,124,780,625.41/540,767.36
  6. Step 6: Final answer
    x = 412,607.71

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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.