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Finding the Fourth Proportional to 672,164.40, 927,652.24 and 502,103.28

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Solution

The fourth proportional to 672,164.40, 927,652.24 and 502,103.28 is: 692,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,164.40 : 927,652.24 = 502,103.28 : x
  2. Step 2: Convert to fraction form
    672,164.40/927,652.24 = 502,103.28/x
  3. Step 3: Cross multiply
    672,164.40x = 927,652.24 × 502,103.28
  4. Step 4: Simplify right side
    672,164.40x = 465,777,232,403.35
  5. Step 5: Solve for x
    x = 465,777,232,403.35/672,164.40
  6. Step 6: Final answer
    x = 692,951.36

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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.