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Finding the Fourth Proportional to 672,157.36, 927,642.54 and 502,096.24

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Solution

The fourth proportional to 672,157.36, 927,642.54 and 502,096.24 is: 692,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,157.36 : 927,642.54 = 502,096.24 : x
  2. Step 2: Convert to fraction form
    672,157.36/927,642.54 = 502,096.24/x
  3. Step 3: Cross multiply
    672,157.36x = 927,642.54 × 502,096.24
  4. Step 4: Simplify right side
    672,157.36x = 465,765,831,398.05
  5. Step 5: Solve for x
    x = 465,765,831,398.05/672,157.36
  6. Step 6: Final answer
    x = 692,941.65

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Double scale
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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.