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Finding the Fourth Proportional to 607,005.40, 837,662.56 and 335,072.90

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Solution

The fourth proportional to 607,005.40, 837,662.56 and 335,072.90 is: 462,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,005.40 : 837,662.56 = 335,072.90 : x
  2. Step 2: Convert to fraction form
    607,005.40/837,662.56 = 335,072.90/x
  3. Step 3: Cross multiply
    607,005.40x = 837,662.56 × 335,072.90
  4. Step 4: Simplify right side
    607,005.40x = 280,678,023,200.62
  5. Step 5: Solve for x
    x = 280,678,023,200.62/607,005.40
  6. Step 6: Final answer
    x = 462,397.90

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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.