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Finding the Fourth Proportional to 468,228.33, 646,156.81 and 253,368.41

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Solution

The fourth proportional to 468,228.33, 646,156.81 and 253,368.41 is: 349,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,228.33 : 646,156.81 = 253,368.41 : x
  2. Step 2: Convert to fraction form
    468,228.33/646,156.81 = 253,368.41/x
  3. Step 3: Cross multiply
    468,228.33x = 646,156.81 × 253,368.41
  4. Step 4: Simplify right side
    468,228.33x = 163,715,720,646.30
  5. Step 5: Solve for x
    x = 163,715,720,646.30/468,228.33
  6. Step 6: Final answer
    x = 349,649.33

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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.