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Finding the Fourth Proportional to 633,488.51, 874,228.25 and 361,550.94

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Solution

The fourth proportional to 633,488.51, 874,228.25 and 361,550.94 is: 498,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,488.51 : 874,228.25 = 361,550.94 : x
  2. Step 2: Convert to fraction form
    633,488.51/874,228.25 = 361,550.94/x
  3. Step 3: Cross multiply
    633,488.51x = 874,228.25 × 361,550.94
  4. Step 4: Simplify right side
    633,488.51x = 316,078,043,754.30
  5. Step 5: Solve for x
    x = 316,078,043,754.30/633,488.51
  6. Step 6: Final answer
    x = 498,948.35

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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.