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Finding the Fourth Proportional to 350,604.64, 484,153.06 and 264,415.98

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Solution

The fourth proportional to 350,604.64, 484,153.06 and 264,415.98 is: 365,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,604.64 : 484,153.06 = 264,415.98 : x
  2. Step 2: Convert to fraction form
    350,604.64/484,153.06 = 264,415.98/x
  3. Step 3: Cross multiply
    350,604.64x = 484,153.06 × 264,415.98
  4. Step 4: Simplify right side
    350,604.64x = 128,017,805,829.90
  5. Step 5: Solve for x
    x = 128,017,805,829.90/350,604.64
  6. Step 6: Final answer
    x = 365,134.37

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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.