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Finding the Fourth Proportional to 468,250.49, 646,187.38 and 253,390.53

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Solution

The fourth proportional to 468,250.49, 646,187.38 and 253,390.53 is: 349,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,250.49 : 646,187.38 = 253,390.53 : x
  2. Step 2: Convert to fraction form
    468,250.49/646,187.38 = 253,390.53/x
  3. Step 3: Cross multiply
    468,250.49x = 646,187.38 × 253,390.53
  4. Step 4: Simplify right side
    468,250.49x = 163,737,762,697.51
  5. Step 5: Solve for x
    x = 163,737,762,697.51/468,250.49
  6. Step 6: Final answer
    x = 349,679.85

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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.