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Finding the Fourth Proportional to 351,411.12, 484,946.62 and 190,266.32

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Solution

The fourth proportional to 351,411.12, 484,946.62 and 190,266.32 is: 262,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,411.12 : 484,946.62 = 190,266.32 : x
  2. Step 2: Convert to fraction form
    351,411.12/484,946.62 = 190,266.32/x
  3. Step 3: Cross multiply
    351,411.12x = 484,946.62 × 190,266.32
  4. Step 4: Simplify right side
    351,411.12x = 92,269,008,783.84
  5. Step 5: Solve for x
    x = 92,269,008,783.84/351,411.12
  6. Step 6: Final answer
    x = 262,567.13

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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.