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Finding the Fourth Proportional to 647,032.01, 892,907.72 and 375,261.06

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Solution

The fourth proportional to 647,032.01, 892,907.72 and 375,261.06 is: 517,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,032.01 : 892,907.72 = 375,261.06 : x
  2. Step 2: Convert to fraction form
    647,032.01/892,907.72 = 375,261.06/x
  3. Step 3: Cross multiply
    647,032.01x = 892,907.72 × 375,261.06
  4. Step 4: Simplify right side
    647,032.01x = 335,073,498,427.54
  5. Step 5: Solve for x
    x = 335,073,498,427.54/647,032.01
  6. Step 6: Final answer
    x = 517,862.32

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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.