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Finding the Fourth Proportional to 371,672.01, 512,904.56 and 201,907.35

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Solution

The fourth proportional to 371,672.01, 512,904.56 and 201,907.35 is: 278,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,672.01 : 512,904.56 = 201,907.35 : x
  2. Step 2: Convert to fraction form
    371,672.01/512,904.56 = 201,907.35/x
  3. Step 3: Cross multiply
    371,672.01x = 512,904.56 × 201,907.35
  4. Step 4: Simplify right side
    371,672.01x = 103,559,199,502.98
  5. Step 5: Solve for x
    x = 103,559,199,502.98/371,672.01
  6. Step 6: Final answer
    x = 278,630.61

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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.