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Finding the Fourth Proportional to 468,283.71, 646,232.67 and 253,425.34

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Solution

The fourth proportional to 468,283.71, 646,232.67 and 253,425.34 is: 349,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,283.71 : 646,232.67 = 253,425.34 : x
  2. Step 2: Convert to fraction form
    468,283.71/646,232.67 = 253,425.34/x
  3. Step 3: Cross multiply
    468,283.71x = 646,232.67 × 253,425.34
  4. Step 4: Simplify right side
    468,283.71x = 163,771,734,113.86
  5. Step 5: Solve for x
    x = 163,771,734,113.86/468,283.71
  6. Step 6: Final answer
    x = 349,727.59

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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.