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Finding the Fourth Proportional to 633,342.24, 874,022.16 and 346,857.12

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Solution

The fourth proportional to 633,342.24, 874,022.16 and 346,857.12 is: 478,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,342.24 : 874,022.16 = 346,857.12 : x
  2. Step 2: Convert to fraction form
    633,342.24/874,022.16 = 346,857.12/x
  3. Step 3: Cross multiply
    633,342.24x = 874,022.16 × 346,857.12
  4. Step 4: Simplify right side
    633,342.24x = 303,160,809,233.78
  5. Step 5: Solve for x
    x = 303,160,809,233.78/633,342.24
  6. Step 6: Final answer
    x = 478,668.23

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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.