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Finding the Fourth Proportional to 607,028.16, 837,745.20 and 335,148.40

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Solution

The fourth proportional to 607,028.16, 837,745.20 and 335,148.40 is: 462,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,028.16 : 837,745.20 = 335,148.40 : x
  2. Step 2: Convert to fraction form
    607,028.16/837,745.20 = 335,148.40/x
  3. Step 3: Cross multiply
    607,028.16x = 837,745.20 × 335,148.40
  4. Step 4: Simplify right side
    607,028.16x = 280,768,963,387.68
  5. Step 5: Solve for x
    x = 280,768,963,387.68/607,028.16
  6. Step 6: Final answer
    x = 462,530.38

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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.