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Finding the Fourth Proportional to 458,355.63, 632,521.25 and 254,394.59

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Solution

The fourth proportional to 458,355.63, 632,521.25 and 254,394.59 is: 351,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,355.63 : 632,521.25 = 254,394.59 : x
  2. Step 2: Convert to fraction form
    458,355.63/632,521.25 = 254,394.59/x
  3. Step 3: Cross multiply
    458,355.63x = 632,521.25 × 254,394.59
  4. Step 4: Simplify right side
    458,355.63x = 160,909,984,060.04
  5. Step 5: Solve for x
    x = 160,909,984,060.04/458,355.63
  6. Step 6: Final answer
    x = 351,059.25

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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.