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Finding the Fourth Proportional to 606,919.20, 910,160.10 and 307,300.20

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Solution

The fourth proportional to 606,919.20, 910,160.10 and 307,300.20 is: 460,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,919.20 : 910,160.10 = 307,300.20 : x
  2. Step 2: Convert to fraction form
    606,919.20/910,160.10 = 307,300.20/x
  3. Step 3: Cross multiply
    606,919.20x = 910,160.10 × 307,300.20
  4. Step 4: Simplify right side
    606,919.20x = 279,692,380,762.02
  5. Step 5: Solve for x
    x = 279,692,380,762.02/606,919.20
  6. Step 6: Final answer
    x = 460,839.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.