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Finding the Fourth Proportional to 888,801.32, 1,226,537.08 and 480,894.21

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Solution

The fourth proportional to 888,801.32, 1,226,537.08 and 480,894.21 is: 663,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,801.32 : 1,226,537.08 = 480,894.21 : x
  2. Step 2: Convert to fraction form
    888,801.32/1,226,537.08 = 480,894.21/x
  3. Step 3: Cross multiply
    888,801.32x = 1,226,537.08 × 480,894.21
  4. Step 4: Simplify right side
    888,801.32x = 589,834,580,122.31
  5. Step 5: Solve for x
    x = 589,834,580,122.31/888,801.32
  6. Step 6: Final answer
    x = 663,629.28

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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.