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Finding the Fourth Proportional to 633,022.42, 873,569.47 and 346,540

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Solution

The fourth proportional to 633,022.42, 873,569.47 and 346,540 is: 478,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,022.42 : 873,569.47 = 346,540 : x
  2. Step 2: Convert to fraction form
    633,022.42/873,569.47 = 346,540/x
  3. Step 3: Cross multiply
    633,022.42x = 873,569.47 × 346,540
  4. Step 4: Simplify right side
    633,022.42x = 302,726,764,133.80
  5. Step 5: Solve for x
    x = 302,726,764,133.80/633,022.42
  6. Step 6: Final answer
    x = 478,224.40

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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.