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Finding the Fourth Proportional to 607,061.18, 837,745.67 and 335,129.45

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Solution

The fourth proportional to 607,061.18, 837,745.67 and 335,129.45 is: 462,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,061.18 : 837,745.67 = 335,129.45 : x
  2. Step 2: Convert to fraction form
    607,061.18/837,745.67 = 335,129.45/x
  3. Step 3: Cross multiply
    607,061.18x = 837,745.67 × 335,129.45
  4. Step 4: Simplify right side
    607,061.18x = 280,753,246,988.40
  5. Step 5: Solve for x
    x = 280,753,246,988.40/607,061.18
  6. Step 6: Final answer
    x = 462,479.33

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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.