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Finding the Fourth Proportional to 692,377.92, 955,635.36 and 450,239.04

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Solution

The fourth proportional to 692,377.92, 955,635.36 and 450,239.04 is: 621,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,377.92 : 955,635.36 = 450,239.04 : x
  2. Step 2: Convert to fraction form
    692,377.92/955,635.36 = 450,239.04/x
  3. Step 3: Cross multiply
    692,377.92x = 955,635.36 × 450,239.04
  4. Step 4: Simplify right side
    692,377.92x = 430,264,347,076.45
  5. Step 5: Solve for x
    x = 430,264,347,076.45/692,377.92
  6. Step 6: Final answer
    x = 621,429.91

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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.