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Finding the Fourth Proportional to 458,898.57, 633,276.23 and 257,690.25

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Solution

The fourth proportional to 458,898.57, 633,276.23 and 257,690.25 is: 355,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,898.57 : 633,276.23 = 257,690.25 : x
  2. Step 2: Convert to fraction form
    458,898.57/633,276.23 = 257,690.25/x
  3. Step 3: Cross multiply
    458,898.57x = 633,276.23 × 257,690.25
  4. Step 4: Simplify right side
    458,898.57x = 163,189,108,739.31
  5. Step 5: Solve for x
    x = 163,189,108,739.31/458,898.57
  6. Step 6: Final answer
    x = 355,610.41

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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.