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Finding the Fourth Proportional to 606,615.70, 910,032.90 and 251,665.60

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Solution

The fourth proportional to 606,615.70, 910,032.90 and 251,665.60 is: 377,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,615.70 : 910,032.90 = 251,665.60 : x
  2. Step 2: Convert to fraction form
    606,615.70/910,032.90 = 251,665.60/x
  3. Step 3: Cross multiply
    606,615.70x = 910,032.90 × 251,665.60
  4. Step 4: Simplify right side
    606,615.70x = 229,023,975,798.24
  5. Step 5: Solve for x
    x = 229,023,975,798.24/606,615.70
  6. Step 6: Final answer
    x = 377,543.77

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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.