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Finding the Fourth Proportional to 458,421.04, 632,611.02 and 254,459.98

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Solution

The fourth proportional to 458,421.04, 632,611.02 and 254,459.98 is: 351,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,421.04 : 632,611.02 = 254,459.98 : x
  2. Step 2: Convert to fraction form
    458,421.04/632,611.02 = 254,459.98/x
  3. Step 3: Cross multiply
    458,421.04x = 632,611.02 × 254,459.98
  4. Step 4: Simplify right side
    458,421.04x = 160,974,187,496.98
  5. Step 5: Solve for x
    x = 160,974,187,496.98/458,421.04
  6. Step 6: Final answer
    x = 351,149.21

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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.