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Finding the Fourth Proportional to 604,056.80, 906,344.40 and 308,568.80

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Solution

The fourth proportional to 604,056.80, 906,344.40 and 308,568.80 is: 462,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,056.80 : 906,344.40 = 308,568.80 : x
  2. Step 2: Convert to fraction form
    604,056.80/906,344.40 = 308,568.80/x
  3. Step 3: Cross multiply
    604,056.80x = 906,344.40 × 308,568.80
  4. Step 4: Simplify right side
    604,056.80x = 279,669,603,894.72
  5. Step 5: Solve for x
    x = 279,669,603,894.72/604,056.80
  6. Step 6: Final answer
    x = 462,985.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.