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Finding the Fourth Proportional to 458,207.84, 632,330.40 and 254,259.56

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Solution

The fourth proportional to 458,207.84, 632,330.40 and 254,259.56 is: 350,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,207.84 : 632,330.40 = 254,259.56 : x
  2. Step 2: Convert to fraction form
    458,207.84/632,330.40 = 254,259.56/x
  3. Step 3: Cross multiply
    458,207.84x = 632,330.40 × 254,259.56
  4. Step 4: Simplify right side
    458,207.84x = 160,776,049,278.62
  5. Step 5: Solve for x
    x = 160,776,049,278.62/458,207.84
  6. Step 6: Final answer
    x = 350,880.18

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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.