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Finding the Fourth Proportional to 462,862.54, 638,809.37 and 258,924.79

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Solution

The fourth proportional to 462,862.54, 638,809.37 and 258,924.79 is: 357,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,862.54 : 638,809.37 = 258,924.79 : x
  2. Step 2: Convert to fraction form
    462,862.54/638,809.37 = 258,924.79/x
  3. Step 3: Cross multiply
    462,862.54x = 638,809.37 × 258,924.79
  4. Step 4: Simplify right side
    462,862.54x = 165,403,580,682.66
  5. Step 5: Solve for x
    x = 165,403,580,682.66/462,862.54
  6. Step 6: Final answer
    x = 357,349.25

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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.