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Finding the Fourth Proportional to 458,045.49, 632,106.60 and 254,109.70

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Solution

The fourth proportional to 458,045.49, 632,106.60 and 254,109.70 is: 350,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,045.49 : 632,106.60 = 254,109.70 : x
  2. Step 2: Convert to fraction form
    458,045.49/632,106.60 = 254,109.70/x
  3. Step 3: Cross multiply
    458,045.49x = 632,106.60 × 254,109.70
  4. Step 4: Simplify right side
    458,045.49x = 160,624,418,494.02
  5. Step 5: Solve for x
    x = 160,624,418,494.02/458,045.49
  6. Step 6: Final answer
    x = 350,673.51

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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.