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Finding the Fourth Proportional to 371,056.98, 512,059.92 and 201,292.32

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Solution

The fourth proportional to 371,056.98, 512,059.92 and 201,292.32 is: 277,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,056.98 : 512,059.92 = 201,292.32 : x
  2. Step 2: Convert to fraction form
    371,056.98/512,059.92 = 201,292.32/x
  3. Step 3: Cross multiply
    371,056.98x = 512,059.92 × 201,292.32
  4. Step 4: Simplify right side
    371,056.98x = 103,073,729,275.81
  5. Step 5: Solve for x
    x = 103,073,729,275.81/371,056.98
  6. Step 6: Final answer
    x = 277,784.10

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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.