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Finding the Fourth Proportional to 458,353.23, 632,515.64 and 254,398.19

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Solution

The fourth proportional to 458,353.23, 632,515.64 and 254,398.19 is: 351,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,353.23 : 632,515.64 = 254,398.19 : x
  2. Step 2: Convert to fraction form
    458,353.23/632,515.64 = 254,398.19/x
  3. Step 3: Cross multiply
    458,353.23x = 632,515.64 × 254,398.19
  4. Step 4: Simplify right side
    458,353.23x = 160,910,829,528.12
  5. Step 5: Solve for x
    x = 160,910,829,528.12/458,353.23
  6. Step 6: Final answer
    x = 351,062.93

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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.