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Finding the Fourth Proportional to 458,980.58, 633,391.71 and 255,030.68

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Solution

The fourth proportional to 458,980.58, 633,391.71 and 255,030.68 is: 351,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,980.58 : 633,391.71 = 255,030.68 : x
  2. Step 2: Convert to fraction form
    458,980.58/633,391.71 = 255,030.68/x
  3. Step 3: Cross multiply
    458,980.58x = 633,391.71 × 255,030.68
  4. Step 4: Simplify right side
    458,980.58x = 161,534,318,507.66
  5. Step 5: Solve for x
    x = 161,534,318,507.66/458,980.58
  6. Step 6: Final answer
    x = 351,941.51

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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.