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Finding the Fourth Proportional to 450,137.76, 621,166.93 and 246,148.98

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Solution

The fourth proportional to 450,137.76, 621,166.93 and 246,148.98 is: 339,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,137.76 : 621,166.93 = 246,148.98 : x
  2. Step 2: Convert to fraction form
    450,137.76/621,166.93 = 246,148.98/x
  3. Step 3: Cross multiply
    450,137.76x = 621,166.93 × 246,148.98
  4. Step 4: Simplify right side
    450,137.76x = 152,899,603,284.48
  5. Step 5: Solve for x
    x = 152,899,603,284.48/450,137.76
  6. Step 6: Final answer
    x = 339,672.91

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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.