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Finding the Fourth Proportional to 458,775.47, 633,089.61 and 254,840.45

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Solution

The fourth proportional to 458,775.47, 633,089.61 and 254,840.45 is: 351,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,775.47 : 633,089.61 = 254,840.45 : x
  2. Step 2: Convert to fraction form
    458,775.47/633,089.61 = 254,840.45/x
  3. Step 3: Cross multiply
    458,775.47x = 633,089.61 × 254,840.45
  4. Step 4: Simplify right side
    458,775.47x = 161,336,837,937.28
  5. Step 5: Solve for x
    x = 161,336,837,937.28/458,775.47
  6. Step 6: Final answer
    x = 351,668.41

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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.