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Finding the Fourth Proportional to 606,053.70, 910,064.70 and 407,255.40

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Solution

The fourth proportional to 606,053.70, 910,064.70 and 407,255.40 is: 611,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,053.70 : 910,064.70 = 407,255.40 : x
  2. Step 2: Convert to fraction form
    606,053.70/910,064.70 = 407,255.40/x
  3. Step 3: Cross multiply
    606,053.70x = 910,064.70 × 407,255.40
  4. Step 4: Simplify right side
    606,053.70x = 370,628,763,424.38
  5. Step 5: Solve for x
    x = 370,628,763,424.38/606,053.70
  6. Step 6: Final answer
    x = 611,544.43

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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.