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Finding the Fourth Proportional to 476,535.54, 718,150.07 and 429,209.94

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Solution

The fourth proportional to 476,535.54, 718,150.07 and 429,209.94 is: 646,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,535.54 : 718,150.07 = 429,209.94 : x
  2. Step 2: Convert to fraction form
    476,535.54/718,150.07 = 429,209.94/x
  3. Step 3: Cross multiply
    476,535.54x = 718,150.07 × 429,209.94
  4. Step 4: Simplify right side
    476,535.54x = 308,237,146,309.65
  5. Step 5: Solve for x
    x = 308,237,146,309.65/476,535.54
  6. Step 6: Final answer
    x = 646,829.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.