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Finding the Fourth Proportional to 458,417.05, 632,583.88 and 254,451.91

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Solution

The fourth proportional to 458,417.05, 632,583.88 and 254,451.91 is: 351,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,417.05 : 632,583.88 = 254,451.91 : x
  2. Step 2: Convert to fraction form
    458,417.05/632,583.88 = 254,451.91/x
  3. Step 3: Cross multiply
    458,417.05x = 632,583.88 × 254,451.91
  4. Step 4: Simplify right side
    458,417.05x = 160,962,175,228.95
  5. Step 5: Solve for x
    x = 160,962,175,228.95/458,417.05
  6. Step 6: Final answer
    x = 351,126.07

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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.