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Finding the Fourth Proportional to 607,345.98, 838,123.11 and 335,408.46

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Solution

The fourth proportional to 607,345.98, 838,123.11 and 335,408.46 is: 462,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,345.98 : 838,123.11 = 335,408.46 : x
  2. Step 2: Convert to fraction form
    607,345.98/838,123.11 = 335,408.46/x
  3. Step 3: Cross multiply
    607,345.98x = 838,123.11 × 335,408.46
  4. Step 4: Simplify right side
    607,345.98x = 281,113,581,615.51
  5. Step 5: Solve for x
    x = 281,113,581,615.51/607,345.98
  6. Step 6: Final answer
    x = 462,855.75

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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.