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Finding the Fourth Proportional to 607,346.48, 838,123.80 and 335,408.96

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Solution

The fourth proportional to 607,346.48, 838,123.80 and 335,408.96 is: 462,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,346.48 : 838,123.80 = 335,408.96 : x
  2. Step 2: Convert to fraction form
    607,346.48/838,123.80 = 335,408.96/x
  3. Step 3: Cross multiply
    607,346.48x = 838,123.80 × 335,408.96
  4. Step 4: Simplify right side
    607,346.48x = 281,114,232,109.25
  5. Step 5: Solve for x
    x = 281,114,232,109.25/607,346.48
  6. Step 6: Final answer
    x = 462,856.44

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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.